258149052 has 72 divisors (see below), whose sum is σ = 778560720. Its totient is φ = 73755360.

The previous prime is 258149009. The next prime is 258149069. The reversal of 258149052 is 250941852.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 258148998 and 258149016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19099 + ... + 29682.

Almost surely, 2^258149052 is an apocalyptic number.

It is an amenable number.

258149052 is an abundant number, since it is smaller than the sum of its proper divisors (520411668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258149052 is a wasteful number, since it uses less digits than its factorization.

258149052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48808 (or 48793 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 258149052 is about 16067.0175203738. The cubic root of 258149052 is about 636.7322466856.

The spelling of 258149052 in words is "two hundred fifty-eight million, one hundred forty-nine thousand, fifty-two".