249949524 has 48 divisors (see below), whose sum is σ = 637479360. Its totient is φ = 75594240.

The previous prime is 249949523. The next prime is 249949543. The reversal of 249949524 is 425949942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249949523) by changing a digit.

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, 79372 + ... + 82460.

It is an arithmetic number, because the mean of its divisors is an integer number (13280820).

Almost surely, 2^249949524 is an apocalyptic number.

It is an amenable number.

249949524 is an abundant number, since it is smaller than the sum of its proper divisors (387529836).

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

249949524 is a wasteful number, since it uses less digits than its factorization.

249949524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3720 (or 3718 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 249949524 is about 15809.7920289927. The cubic root of 249949524 is about 629.9181249105.

The spelling of 249949524 in words is "two hundred forty-nine million, nine hundred forty-nine thousand, five hundred twenty-four".