258992275 has 12 divisors (see below), whose sum is σ = 326417104. Its totient is φ = 203796000.

The previous prime is 258992273. The next prime is 258992329. The reversal of 258992275 is 572299852.

It is not a de Polignac number, because 258992275 - 2¹ = 258992273 is a prime.

It is a super-3 number, since 3×258992275³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258992273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83391 + ... + 86440.

Almost surely, 2^258992275 is an apocalyptic number.

258992275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

258992275 is a deficient number, since it is larger than the sum of its proper divisors (67424829).

258992275 is a wasteful number, since it uses less digits than its factorization.

258992275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169902 (or 169897 counting only the distinct ones).

The product of its digits is 907200, while the sum is 49.

The square root of 258992275 is about 16093.2369335693. The cubic root of 258992275 is about 637.4247713357.

It can be divided in two parts, 2589 and 92275, that added together give a square (94864 = 308²).

The spelling of 258992275 in words is "two hundred fifty-eight million, nine hundred ninety-two thousand, two hundred seventy-five".