265354457 has 2 divisors, whose sum is σ = 265354458. Its totient is φ = 265354456.

The previous prime is 265354409. The next prime is 265354459. The reversal of 265354457 is 754453562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219602761 + 45751696 = 14819^2 + 6764^2 .

It is a cyclic number.

It is not a de Polignac number, because 265354457 - 2⁶ = 265354393 is a prime.

Together with 265354459, 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 (265354459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132677228 + 132677229.

It is an arithmetic number, because the mean of its divisors is an integer number (132677229).

Almost surely, 2^265354457 is an apocalyptic number.

It is an amenable number.

265354457 is a deficient number, since it is larger than the sum of its proper divisors (1).

265354457 is an equidigital number, since it uses as much as digits as its factorization.

265354457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504000, while the sum is 41.

The square root of 265354457 is about 16289.7040181828. The cubic root of 265354457 is about 642.6020828275.

The spelling of 265354457 in words is "two hundred sixty-five million, three hundred fifty-four thousand, four hundred fifty-seven".