258525131 has 4 divisors (see below), whose sum is σ = 264830664. Its totient is φ = 252219600.

The previous prime is 258525119. The next prime is 258525133. The reversal of 258525131 is 131525852.

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 258525131 - 2⁶ = 258525067 is a prime.

It is a super-2 number, since 2×258525131² = 133670486717134322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258525133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3152705 + ... + 3152786.

It is an arithmetic number, because the mean of its divisors is an integer number (66207666).

Almost surely, 2^258525131 is an apocalyptic number.

258525131 is a deficient number, since it is larger than the sum of its proper divisors (6305533).

258525131 is an equidigital number, since it uses as much as digits as its factorization.

258525131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6305532.

The product of its digits is 12000, while the sum is 32.

The square root of 258525131 is about 16078.7167087426. The cubic root of 258525131 is about 637.0412999682.

The spelling of 258525131 in words is "two hundred fifty-eight million, five hundred twenty-five thousand, one hundred thirty-one".