258749255 has 8 divisors (see below), whose sum is σ = 313988400. Its totient is φ = 204673216.

The previous prime is 258749213. The next prime is 258749261. The reversal of 258749255 is 552947852.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 258749255 - 2⁶ = 258749191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290285 + ... + 291174.

It is an arithmetic number, because the mean of its divisors is an integer number (39248550).

Almost surely, 2^258749255 is an apocalyptic number.

258749255 is a deficient number, since it is larger than the sum of its proper divisors (55239145).

258749255 is an equidigital number, since it uses as much as digits as its factorization.

258749255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581553.

The product of its digits is 1008000, while the sum is 47.

The square root of 258749255 is about 16085.6847849260. The cubic root of 258749255 is about 637.2253375309.

The spelling of 258749255 in words is "two hundred fifty-eight million, seven hundred forty-nine thousand, two hundred fifty-five".