258585252 has 12 divisors (see below), whose sum is σ = 603365616. Its totient is φ = 86195080.

The previous prime is 258585241. The next prime is 258585253. The reversal of 258585252 is 252585852.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (258585253) 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, 10774374 + ... + 10774397.

It is an arithmetic number, because the mean of its divisors is an integer number (50280468).

Almost surely, 2^258585252 is an apocalyptic number.

It is an amenable number.

258585252 is an abundant number, since it is smaller than the sum of its proper divisors (344780364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258585252 is a wasteful number, since it uses less digits than its factorization.

258585252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21548778 (or 21548776 counting only the distinct ones).

The product of its digits is 320000, while the sum is 42.

The square root of 258585252 is about 16080.5861833454. The cubic root of 258585252 is about 637.0906782644.

The spelling of 258585252 in words is "two hundred fifty-eight million, five hundred eighty-five thousand, two hundred fifty-two".