258256253 has 4 divisors (see below), whose sum is σ = 264555228. Its totient is φ = 251957280.

The previous prime is 258256247. The next prime is 258256277. The reversal of 258256253 is 352652852.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45738169 + 212518084 = 6763^2 + 14578^2 .

It is a cyclic number.

It is not a de Polignac number, because 258256253 - 2¹² = 258252157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258256283) 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, 3149426 + ... + 3149507.

It is an arithmetic number, because the mean of its divisors is an integer number (66138807).

Almost surely, 2^258256253 is an apocalyptic number.

It is an amenable number.

258256253 is a deficient number, since it is larger than the sum of its proper divisors (6298975).

258256253 is an equidigital number, since it uses as much as digits as its factorization.

258256253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6298974.

The product of its digits is 144000, while the sum is 38.

The square root of 258256253 is about 16070.3532319610. The cubic root of 258256253 is about 636.8203726303.

The spelling of 258256253 in words is "two hundred fifty-eight million, two hundred fifty-six thousand, two hundred fifty-three".