249225875 has 16 divisors (see below), whose sum is σ = 316910880. Its totient is φ = 195613600.

The previous prime is 249225857. The next prime is 249225917. The reversal of 249225875 is 578522942.

It is not a de Polignac number, because 249225875 - 2⁶ = 249225811 is a prime.

It is a super-2 number, since 2×249225875² = 124227073539031250, which contains 22 as substring.

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, 12185 + ... + 25434.

It is an arithmetic number, because the mean of its divisors is an integer number (19806930).

Almost surely, 2^249225875 is an apocalyptic number.

249225875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

249225875 is a deficient number, since it is larger than the sum of its proper divisors (67685005).

249225875 is an equidigital number, since it uses as much as digits as its factorization.

249225875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37687 (or 37677 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 249225875 is about 15786.8893389420. The cubic root of 249225875 is about 629.3096283955.

The spelling of 249225875 in words is "two hundred forty-nine million, two hundred twenty-five thousand, eight hundred seventy-five".