264634457 has 2 divisors, whose sum is σ = 264634458. Its totient is φ = 264634456.

The previous prime is 264634441. The next prime is 264634463. The reversal of 264634457 is 754436462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144096016 + 120538441 = 12004^2 + 10979^2 .

It is a cyclic number.

It is not a de Polignac number, because 264634457 - 2⁴ = 264634441 is a prime.

It is not a weakly prime, because it can be changed into another prime (264631457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132317228 + 132317229.

It is an arithmetic number, because the mean of its divisors is an integer number (132317229).

Almost surely, 2^264634457 is an apocalyptic number.

It is an amenable number.

264634457 is a deficient number, since it is larger than the sum of its proper divisors (1).

264634457 is an equidigital number, since it uses as much as digits as its factorization.

264634457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 41.

The square root of 264634457 is about 16267.5891575857. The cubic root of 264634457 is about 642.0203545207.

The spelling of 264634457 in words is "two hundred sixty-four million, six hundred thirty-four thousand, four hundred fifty-seven".