258102825 has 12 divisors (see below), whose sum is σ = 426730128. Its totient is φ = 137654800.

The previous prime is 258102811. The next prime is 258102833. The reversal of 258102825 is 528201852.

258102825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 258102825 - 2⁸ = 258102569 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1720611 + ... + 1720760.

It is an arithmetic number, because the mean of its divisors is an integer number (35560844).

Almost surely, 2^258102825 is an apocalyptic number.

258102825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

258102825 is a deficient number, since it is larger than the sum of its proper divisors (168627303).

258102825 is a wasteful number, since it uses less digits than its factorization.

258102825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441384 (or 3441379 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 258102825 is about 16065.5788877961. The cubic root of 258102825 is about 636.6942376640.

The spelling of 258102825 in words is "two hundred fifty-eight million, one hundred two thousand, eight hundred twenty-five".