249930575 has 12 divisors (see below), whose sum is σ = 312660048. Its totient is φ = 198172800.

The previous prime is 249930559. The next prime is 249930589. The reversal of 249930575 is 575039942.

It is not a de Polignac number, because 249930575 - 2⁴ = 249930559 is a prime.

It is a Duffinian number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 41411 + ... + 47060.

It is an arithmetic number, because the mean of its divisors is an integer number (26055004).

Almost surely, 2^249930575 is an apocalyptic number.

249930575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

249930575 is a deficient number, since it is larger than the sum of its proper divisors (62729473).

249930575 is a wasteful number, since it uses less digits than its factorization.

249930575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88594 (or 88589 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 249930575 is about 15809.1927371387. The cubic root of 249930575 is about 629.9022062028.

The spelling of 249930575 in words is "two hundred forty-nine million, nine hundred thirty thousand, five hundred seventy-five".