249072875 has 8 divisors (see below), whose sum is σ = 310843104. Its totient is φ = 199258200.

The previous prime is 249072853. The next prime is 249072913. The reversal of 249072875 is 578270942.

It is not a de Polignac number, because 249072875 - 2¹² = 249068779 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996167 + ... + 996416.

It is an arithmetic number, because the mean of its divisors is an integer number (38855388).

Almost surely, 2^249072875 is an apocalyptic number.

249072875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

249072875 is a deficient number, since it is larger than the sum of its proper divisors (61770229).

249072875 is an equidigital number, since it uses as much as digits as its factorization.

249072875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992598 (or 1992588 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 249072875 is about 15782.0428018682. The cubic root of 249072875 is about 629.1808241092.

The spelling of 249072875 in words is "two hundred forty-nine million, seventy-two thousand, eight hundred seventy-five".