249317375 has 16 divisors (see below), whose sum is σ = 317775744. Its totient is φ = 195205600.

The previous prime is 249317357. The next prime is 249317377. The reversal of 249317375 is 573713942.

It is not a de Polignac number, because 249317375 - 2¹⁰ = 249316351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249317377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15344 + ... + 27093.

It is an arithmetic number, because the mean of its divisors is an integer number (19860984).

Almost surely, 2^249317375 is an apocalyptic number.

249317375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

249317375 is a deficient number, since it is larger than the sum of its proper divisors (68458369).

249317375 is an equidigital number, since it uses as much as digits as its factorization.

249317375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42499 (or 42489 counting only the distinct ones).

The product of its digits is 158760, while the sum is 41.

The square root of 249317375 is about 15789.7870473290. The cubic root of 249317375 is about 629.3866332218.

The spelling of 249317375 in words is "two hundred forty-nine million, three hundred seventeen thousand, three hundred seventy-five".