258825161 has 8 divisors (see below), whose sum is σ = 295972800. Its totient is φ = 221720688.

The previous prime is 258825157. The next prime is 258825209. The reversal of 258825161 is 161528852.

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

It is not a de Polignac number, because 258825161 - 2² = 258825157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258825461) 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, 3290 + ... + 22988.

It is an arithmetic number, because the mean of its divisors is an integer number (36996600).

Almost surely, 2^258825161 is an apocalyptic number.

It is an amenable number.

258825161 is a deficient number, since it is larger than the sum of its proper divisors (37147639).

258825161 is a wasteful number, since it uses less digits than its factorization.

258825161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21583.

The product of its digits is 38400, while the sum is 38.

The square root of 258825161 is about 16088.0440389750. The cubic root of 258825161 is about 637.2876430210.

The spelling of 258825161 in words is "two hundred fifty-eight million, eight hundred twenty-five thousand, one hundred sixty-one".