245223497 has 2 divisors, whose sum is σ = 245223498. Its totient is φ = 245223496.

The previous prime is 245223463. The next prime is 245223509. The reversal of 245223497 is 794322542.

It is a happy number.

245223497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205520896 + 39702601 = 14336^2 + 6301^2 .

It is a cyclic number.

It is not a de Polignac number, because 245223497 - 2⁸ = 245223241 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245223497.

It is not a weakly prime, because it can be changed into another prime (245223427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122611748 + 122611749.

It is an arithmetic number, because the mean of its divisors is an integer number (122611749).

Almost surely, 2^245223497 is an apocalyptic number.

It is an amenable number.

245223497 is a deficient number, since it is larger than the sum of its proper divisors (1).

245223497 is an equidigital number, since it uses as much as digits as its factorization.

245223497 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 245223497 is about 15659.6135648361. The cubic root of 245223497 is about 625.9226879382.

The spelling of 245223497 in words is "two hundred forty-five million, two hundred twenty-three thousand, four hundred ninety-seven".