258516494 has 8 divisors (see below), whose sum is σ = 391399128. Its totient is φ = 128050120.

The previous prime is 258516493. The next prime is 258516523. The reversal of 258516494 is 494615852.

258516494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258516491) 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, 603797 + ... + 604224.

It is an arithmetic number, because the mean of its divisors is an integer number (48924891).

Almost surely, 2^258516494 is an apocalyptic number.

258516494 is a deficient number, since it is larger than the sum of its proper divisors (132882634).

258516494 is a wasteful number, since it uses less digits than its factorization.

258516494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208130.

The product of its digits is 345600, while the sum is 44.

The square root of 258516494 is about 16078.4481216316. The cubic root of 258516494 is about 637.0342056392.

The spelling of 258516494 in words is "two hundred fifty-eight million, five hundred sixteen thousand, four hundred ninety-four".