258752494 has 64 divisors (see below), whose sum is σ = 524063232. Its totient is φ = 92534400.

The previous prime is 258752491. The next prime is 258752503. The reversal of 258752494 is 494257852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258752491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 614404 + ... + 614824.

It is an arithmetic number, because the mean of its divisors is an integer number (8188488).

Almost surely, 2^258752494 is an apocalyptic number.

258752494 is an abundant number, since it is smaller than the sum of its proper divisors (265310738).

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

258752494 is a wasteful number, since it uses less digits than its factorization.

258752494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761.

The product of its digits is 806400, while the sum is 46.

The square root of 258752494 is about 16085.7854641917. The cubic root of 258752494 is about 637.2279964297.

The spelling of 258752494 in words is "two hundred fifty-eight million, seven hundred fifty-two thousand, four hundred ninety-four".