258425860 has 48 divisors (see below), whose sum is σ = 676609920. Its totient is φ = 80547840.

The previous prime is 258425851. The next prime is 258425887. The reversal of 258425860 is 68524852.

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, 82365 + ... + 85444.

It is an arithmetic number, because the mean of its divisors is an integer number (14096040).

Almost surely, 2^258425860 is an apocalyptic number.

258425860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258425860 is an abundant number, since it is smaller than the sum of its proper divisors (418184060).

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

258425860 is a wasteful number, since it uses less digits than its factorization.

258425860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167836 (or 167834 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 258425860 is about 16075.6293811471. The cubic root of 258425860 is about 636.9597504197.

The spelling of 258425860 in words is "two hundred fifty-eight million, four hundred twenty-five thousand, eight hundred sixty".