258049250 has 32 divisors (see below), whose sum is σ = 499739760. Its totient is φ = 99657600.

The previous prime is 258049249. The next prime is 258049261. The reversal of 258049250 is 52940852.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1825201 + 256224049 = 1351^2 + 16007^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 258049250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10547 + ... + 25046.

Almost surely, 2^258049250 is an apocalyptic number.

258049250 is a deficient number, since it is larger than the sum of its proper divisors (241690510).

258049250 is a wasteful number, since it uses less digits than its factorization.

258049250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35639 (or 35629 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 258049250 is about 16063.9114165884. The cubic root of 258049250 is about 636.6501812507.

The spelling of 258049250 in words is "two hundred fifty-eight million, forty-nine thousand, two hundred fifty".