258061132 has 48 divisors (see below), whose sum is σ = 526321152. Its totient is φ = 108432000.

The previous prime is 258061117. The next prime is 258061183. The reversal of 258061132 is 231160852.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 258061132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512793 + ... + 513295.

It is an arithmetic number, because the mean of its divisors is an integer number (10965024).

Almost surely, 2^258061132 is an apocalyptic number.

It is an amenable number.

258061132 is an abundant number, since it is smaller than the sum of its proper divisors (268260020).

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

258061132 is a wasteful number, since it uses less digits than its factorization.

258061132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 258061132 is about 16064.2812475380. The cubic root of 258061132 is about 636.6599527205.

The spelling of 258061132 in words is "two hundred fifty-eight million, sixty-one thousand, one hundred thirty-two".