265460334257 has 2 divisors, whose sum is σ = 265460334258. Its totient is φ = 265460334256.

The previous prime is 265460334163. The next prime is 265460334287. The reversal of 265460334257 is 752433064562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213440304016 + 52020030241 = 461996^2 + 228079^2 .

It is a cyclic number.

It is not a de Polignac number, because 265460334257 - 2⁸ = 265460334001 is a prime.

It is not a weakly prime, because it can be changed into another prime (265460334287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132730167128 + 132730167129.

It is an arithmetic number, because the mean of its divisors is an integer number (132730167129).

Almost surely, 2^265460334257 is an apocalyptic number.

It is an amenable number.

265460334257 is a deficient number, since it is larger than the sum of its proper divisors (1).

265460334257 is an equidigital number, since it uses as much as digits as its factorization.

265460334257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 47.

The spelling of 265460334257 in words is "two hundred sixty-five billion, four hundred sixty million, three hundred thirty-four thousand, two hundred fifty-seven".