258587492 has 48 divisors (see below), whose sum is σ = 503892480. Its totient is φ = 115603200.

The previous prime is 258587449. The next prime is 258587503. The reversal of 258587492 is 294785852.

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

It is a self number, because there is not a number n which added to its sum of digits gives 258587492.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95258 + ... + 97934.

It is an arithmetic number, because the mean of its divisors is an integer number (10497760).

Almost surely, 2^258587492 is an apocalyptic number.

It is an amenable number.

258587492 is a deficient number, since it is larger than the sum of its proper divisors (245304988).

258587492 is a wasteful number, since it uses less digits than its factorization.

258587492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772 (or 2770 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 50.

The square root of 258587492 is about 16080.6558323969. The cubic root of 258587492 is about 637.0925178627.

The spelling of 258587492 in words is "two hundred fifty-eight million, five hundred eighty-seven thousand, four hundred ninety-two".