258904497 has 8 divisors (see below), whose sum is σ = 345280320. Its totient is φ = 172565840.

The previous prime is 258904487. The next prime is 258904517. The reversal of 258904497 is 794409852.

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 258904497 - 2¹⁵ = 258871729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (258904427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23047 + ... + 32387.

It is an arithmetic number, because the mean of its divisors is an integer number (43160040).

Almost surely, 2^258904497 is an apocalyptic number.

It is an amenable number.

258904497 is a deficient number, since it is larger than the sum of its proper divisors (86375823).

258904497 is an equidigital number, since it uses as much as digits as its factorization.

258904497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18583.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 258904497 is about 16090.5095320192. The cubic root of 258904497 is about 637.3527509201.

The spelling of 258904497 in words is "two hundred fifty-eight million, nine hundred four thousand, four hundred ninety-seven".