258272631 has 10 divisors (see below), whose sum is σ = 385814792. Its totient is φ = 172181700.

The previous prime is 258272629. The next prime is 258272633. The reversal of 258272631 is 136272852.

258272631 is a `hidden beast` number, since 2 + 582 + 72 + 6 + 3 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (258272629) and next prime (258272633).

It is not a de Polignac number, because 258272631 - 2¹ = 258272629 is a prime.

It is a super-2 number, since 2×258272631² = 133409503847324322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258272633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1594195 + ... + 1594356.

Almost surely, 2^258272631 is an apocalyptic number.

258272631 is a deficient number, since it is larger than the sum of its proper divisors (127542161).

258272631 is an equidigital number, since it uses as much as digits as its factorization.

258272631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188563 (or 3188554 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 258272631 is about 16070.8627957556. The cubic root of 258272631 is about 636.8338342257.

The spelling of 258272631 in words is "two hundred fifty-eight million, two hundred seventy-two thousand, six hundred thirty-one".