Search a number
-
+
223452497 is a prime number
BaseRepresentation
bin11010101000110…
…01110101010001
3120120110120012102
431110121311101
5424200434442
634101210145
75352213002
oct1524316521
9516416172
10223452497
11105151194
1262a00955
13373a9018
14219691a9
151493d232
hexd519d51

223452497 has 2 divisors, whose sum is σ = 223452498. Its totient is φ = 223452496.

The previous prime is 223452461. The next prime is 223452533. The reversal of 223452497 is 794254322.

It is a happy number.

223452497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (223452461) and next prime (223452533).

It can be written as a sum of positive squares in only one way, i.e., 156850576 + 66601921 = 12524^2 + 8161^2 .

It is a cyclic number.

It is not a de Polignac number, because 223452497 - 214 = 223436113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223452497.

It is not a weakly prime, because it can be changed into another prime (223452457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111726248 + 111726249.

It is an arithmetic number, because the mean of its divisors is an integer number (111726249).

Almost surely, 2223452497 is an apocalyptic number.

It is an amenable number.

223452497 is a deficient number, since it is larger than the sum of its proper divisors (1).

223452497 is an equidigital number, since it uses as much as digits as its factorization.

223452497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The square root of 223452497 is about 14948.3275653165. The cubic root of 223452497 is about 606.8225866526.

It can be divided in two parts, 22345 and 2497, that added together give a palindrome (24842).

The spelling of 223452497 in words is "two hundred twenty-three million, four hundred fifty-two thousand, four hundred ninety-seven".