258051 has 4 divisors (see below), whose sum is σ = 344072. Its totient is φ = 172032.

The previous prime is 258031. The next prime is 258061. The reversal of 258051 is 150852.

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

It is not a de Polignac number, because 258051 - 2⁵ = 258019 is a prime.

It is a D-number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 258051.

It is not an unprimeable number, because it can be changed into a prime (258031) 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, 43006 + ... + 43011.

It is an arithmetic number, because the mean of its divisors is an integer number (86018).

2²⁵⁸⁰⁵¹ is an apocalyptic number.

258051 is a deficient number, since it is larger than the sum of its proper divisors (86021).

258051 is an equidigital number, since it uses as much as digits as its factorization.

258051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86020.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 258051 is about 507.9872045633. The cubic root of 258051 is about 63.6651620427.

The spelling of 258051 in words is "two hundred fifty-eight thousand, fifty-one".