258572423 has 4 divisors (see below), whose sum is σ = 261132648. Its totient is φ = 256012200.

The previous prime is 258572407. The next prime is 258572429. The reversal of 258572423 is 324275852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 258572423 - 2⁴ = 258572407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258572429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1279961 + ... + 1280162.

It is an arithmetic number, because the mean of its divisors is an integer number (65283162).

Almost surely, 2^258572423 is an apocalyptic number.

258572423 is a deficient number, since it is larger than the sum of its proper divisors (2560225).

258572423 is a wasteful number, since it uses less digits than its factorization.

258572423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560224.

The product of its digits is 134400, while the sum is 38.

The square root of 258572423 is about 16080.1872812477. The cubic root of 258572423 is about 637.0801422530.

The spelling of 258572423 in words is "two hundred fifty-eight million, five hundred seventy-two thousand, four hundred twenty-three".