258138051 has 16 divisors (see below), whose sum is σ = 351563520. Its totient is φ = 168441120.

The previous prime is 258138043. The next prime is 258138059. The reversal of 258138051 is 150831852.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (258138043) and next prime (258138059).

It is not a de Polignac number, because 258138051 - 2³ = 258138043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (258138059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22386 + ... + 31896.

It is an arithmetic number, because the mean of its divisors is an integer number (21972720).

Almost surely, 2^258138051 is an apocalyptic number.

258138051 is a deficient number, since it is larger than the sum of its proper divisors (93425469).

258138051 is a wasteful number, since it uses less digits than its factorization.

258138051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9706.

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 258138051 is about 16066.6751694307. The cubic root of 258138051 is about 636.7232017935.

The spelling of 258138051 in words is "two hundred fifty-eight million, one hundred thirty-eight thousand, fifty-one".