258096523 has 4 divisors (see below), whose sum is σ = 259125048. Its totient is φ = 257068000.

The previous prime is 258096479. The next prime is 258096563. The reversal of 258096523 is 325690852.

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 258096523 - 2²⁵ = 224542091 is a prime.

It is a super-2 number, since 2×258096523² = 133227630369379058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258096563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513886 + ... + 514387.

It is an arithmetic number, because the mean of its divisors is an integer number (64781262).

Almost surely, 2^258096523 is an apocalyptic number.

258096523 is a deficient number, since it is larger than the sum of its proper divisors (1028525).

258096523 is a wasteful number, since it uses less digits than its factorization.

258096523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028524.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 258096523 is about 16065.3827529879. The cubic root of 258096523 is about 636.6890556469.

The spelling of 258096523 in words is "two hundred fifty-eight million, ninety-six thousand, five hundred twenty-three".