258260631 has 8 divisors (see below), whose sum is σ = 356221680. Its totient is φ = 166236672.

The previous prime is 258260609. The next prime is 258260671. The reversal of 258260631 is 136062852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 258260631 - 2⁷ = 258260503 is a prime.

It is a super-2 number, since 2×258260631² = 133397107049036322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 258260592 and 258260601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258260671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484170 + ... + 1484343.

It is an arithmetic number, because the mean of its divisors is an integer number (44527710).

Almost surely, 2^258260631 is an apocalyptic number.

258260631 is a deficient number, since it is larger than the sum of its proper divisors (97961049).

258260631 is a wasteful number, since it uses less digits than its factorization.

258260631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968545.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 258260631 is about 16070.4894449422. The cubic root of 258260631 is about 636.8239711025.

The spelling of 258260631 in words is "two hundred fifty-eight million, two hundred sixty thousand, six hundred thirty-one".