258165297 has 48 divisors (see below), whose sum is σ = 412776000. Its totient is φ = 154512000.

The previous prime is 258165283. The next prime is 258165307. The reversal of 258165297 is 792561852.

258165297 is a `hidden beast` number, since 2 + 581 + 65 + 2 + 9 + 7 = 666.

258165297 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 258165297 - 2¹⁵ = 258132529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (258165497) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1028422 + ... + 1028672.

It is an arithmetic number, because the mean of its divisors is an integer number (8599500).

Almost surely, 2^258165297 is an apocalyptic number.

It is an amenable number.

258165297 is a deficient number, since it is larger than the sum of its proper divisors (154610703).

258165297 is a wasteful number, since it uses less digits than its factorization.

258165297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 475 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 258165297 is about 16067.5230511738. The cubic root of 258165297 is about 636.7456026626.

It can be divided in two parts, 25816 and 5297, that added together give a palindrome (31113).

The spelling of 258165297 in words is "two hundred fifty-eight million, one hundred sixty-five thousand, two hundred ninety-seven".