249070512 has 20 divisors (see below), whose sum is σ = 643432280. Its totient is φ = 83023488.

The previous prime is 249070511. The next prime is 249070541. The reversal of 249070512 is 215070942.

It is a super-2 number, since 2×249070512² = 124072239895884288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 249070512.

It is not an unprimeable number, because it can be changed into a prime (249070511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2594437 + ... + 2594532.

It is an arithmetic number, because the mean of its divisors is an integer number (32171614).

Almost surely, 2^249070512 is an apocalyptic number.

It is an amenable number.

249070512 is an abundant number, since it is smaller than the sum of its proper divisors (394361768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249070512 is a wasteful number, since it uses less digits than its factorization.

249070512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5188980 (or 5188974 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 249070512 is about 15781.9679381248. The cubic root of 249070512 is about 629.1788343850.

The spelling of 249070512 in words is "two hundred forty-nine million, seventy thousand, five hundred twelve".