249672875 has 16 divisors (see below), whose sum is σ = 313204320. Its totient is φ = 198704800.

The previous prime is 249672869. The next prime is 249672923. The reversal of 249672875 is 578276942.

It is not a de Polignac number, because 249672875 - 2¹⁸ = 249410731 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19556 + ... + 29694.

It is an arithmetic number, because the mean of its divisors is an integer number (19575270).

Almost surely, 2^249672875 is an apocalyptic number.

249672875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

249672875 is a deficient number, since it is larger than the sum of its proper divisors (63531445).

249672875 is a wasteful number, since it uses less digits than its factorization.

249672875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10351 (or 10341 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 50.

The square root of 249672875 is about 15801.0403138528. The cubic root of 249672875 is about 629.6856372334.

The spelling of 249672875 in words is "two hundred forty-nine million, six hundred seventy-two thousand, eight hundred seventy-five".