Search a number
-
+
1225053377 is a prime number
BaseRepresentation
bin100100100000100…
…1101010011000001
310011101011011022022
41021001031103001
510002103202002
6321321051225
742233532122
oct11101152301
93141134268
101225053377
11579568809
122a2326b15
13166a56a72
14b89b2049
1572838ba2
hex4904d4c1

1225053377 has 2 divisors, whose sum is σ = 1225053378. Its totient is φ = 1225053376.

The previous prime is 1225053373. The next prime is 1225053407. The reversal of 1225053377 is 7733505221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1133736241 + 91317136 = 33671^2 + 9556^2 .

It is a cyclic number.

It is not a de Polignac number, because 1225053377 - 22 = 1225053373 is a prime.

It is not a weakly prime, because it can be changed into another prime (1225053373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612526688 + 612526689.

It is an arithmetic number, because the mean of its divisors is an integer number (612526689).

Almost surely, 21225053377 is an apocalyptic number.

It is an amenable number.

1225053377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225053377 is an equidigital number, since it uses as much as digits as its factorization.

1225053377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 1225053377 is about 35000.7625202652. The cubic root of 1225053377 is about 1070.0030212160.

Adding to 1225053377 its reverse (7733505221), we get a palindrome (8958558598).

The spelling of 1225053377 in words is "one billion, two hundred twenty-five million, fifty-three thousand, three hundred seventy-seven".