258513355 has 4 divisors (see below), whose sum is σ = 310216032. Its totient is φ = 206810680.

The previous prime is 258513319. The next prime is 258513389. The reversal of 258513355 is 553315852.

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

It is not a de Polignac number, because 258513355 - 2²⁷ = 124295627 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25851331 + ... + 25851340.

It is an arithmetic number, because the mean of its divisors is an integer number (77554008).

Almost surely, 2^258513355 is an apocalyptic number.

258513355 is a deficient number, since it is larger than the sum of its proper divisors (51702677).

258513355 is an equidigital number, since it uses as much as digits as its factorization.

258513355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51702676.

The product of its digits is 90000, while the sum is 37.

The square root of 258513355 is about 16078.3505061931. The cubic root of 258513355 is about 637.0316272628.

The spelling of 258513355 in words is "two hundred fifty-eight million, five hundred thirteen thousand, three hundred fifty-five".