249473625 has 32 divisors (see below), whose sum is σ = 416257920. Its totient is φ = 132689600.

The previous prime is 249473579. The next prime is 249473633. The reversal of 249473625 is 526374942.

It is not a de Polignac number, because 249473625 - 2¹⁵ = 249440857 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 190222 + ... + 191528.

It is an arithmetic number, because the mean of its divisors is an integer number (13008060).

Almost surely, 2^249473625 is an apocalyptic number.

249473625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

249473625 is a deficient number, since it is larger than the sum of its proper divisors (166784295).

249473625 is a wasteful number, since it uses less digits than its factorization.

249473625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834 (or 1824 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 249473625 is about 15794.7340908291. The cubic root of 249473625 is about 629.5180869892.

The spelling of 249473625 in words is "two hundred forty-nine million, four hundred seventy-three thousand, six hundred twenty-five".