245269697 has 2 divisors, whose sum is σ = 245269698. Its totient is φ = 245269696.

The previous prime is 245269691. The next prime is 245269699. The reversal of 245269697 is 796962542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236882881 + 8386816 = 15391^2 + 2896^2 .

It is a cyclic number.

It is not a de Polignac number, because 245269697 - 2⁴ = 245269681 is a prime.

Together with 245269699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245269691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122634848 + 122634849.

It is an arithmetic number, because the mean of its divisors is an integer number (122634849).

Almost surely, 2^245269697 is an apocalyptic number.

It is an amenable number.

245269697 is a deficient number, since it is larger than the sum of its proper divisors (1).

245269697 is an equidigital number, since it uses as much as digits as its factorization.

245269697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 50.

The square root of 245269697 is about 15661.0886275508. The cubic root of 245269697 is about 625.9619933238.

The spelling of 245269697 in words is "two hundred forty-five million, two hundred sixty-nine thousand, six hundred ninety-seven".