249996675 has 24 divisors (see below), whose sum is σ = 427584240. Its totient is φ = 128732800.

The previous prime is 249996673. The next prime is 249996697. The reversal of 249996675 is 576699942.

It is a happy number.

It is not a de Polignac number, because 249996675 - 2¹ = 249996673 is a prime.

It is a super-2 number, since 2×249996675² = 124996675022111250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (249996671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55296 + ... + 59645.

It is an arithmetic number, because the mean of its divisors is an integer number (17816010).

Almost surely, 2^249996675 is an apocalyptic number.

249996675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

249996675 is a deficient number, since it is larger than the sum of its proper divisors (177587565).

249996675 is a wasteful number, since it uses less digits than its factorization.

249996675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114983 (or 114978 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 57.

The square root of 249996675 is about 15811.2831547601. The cubic root of 249996675 is about 629.9577321101.

The spelling of 249996675 in words is "two hundred forty-nine million, nine hundred ninety-six thousand, six hundred seventy-five".