258475264 has 18 divisors (see below), whose sum is σ = 515941370. Its totient is φ = 129237504.

The previous prime is 258475253. The next prime is 258475271. The reversal of 258475264 is 462574852.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 148644864 + 109830400 = 12192^2 + 10480^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 258475264.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504579 + ... + 505090.

Almost surely, 2^258475264 is an apocalyptic number.

It is an amenable number.

258475264 is a deficient number, since it is larger than the sum of its proper divisors (257466106).

258475264 is an equidigital number, since it uses as much as digits as its factorization.

258475264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009685 (or 1009671 counting only the distinct ones).

The product of its digits is 537600, while the sum is 43.

The square root of 258475264 is about 16077.1659194026. The cubic root of 258475264 is about 637.0003376303. Note that the first 3 decimals are identical.

The spelling of 258475264 in words is "two hundred fifty-eight million, four hundred seventy-five thousand, two hundred sixty-four".