249925312 has 84 divisors (see below), whose sum is σ = 613934256. Its totient is φ = 98841600.

The previous prime is 249925309. The next prime is 249925321. The reversal of 249925312 is 213529942.

249925312 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74062 + ... + 77362.

Almost surely, 2^249925312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 249925312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306967128).

249925312 is an abundant number, since it is smaller than the sum of its proper divisors (364008944).

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

249925312 is a wasteful number, since it uses less digits than its factorization.

249925312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346 (or 3323 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 249925312 is about 15809.0262824755. The cubic root of 249925312 is about 629.8977847102.

The spelling of 249925312 in words is "two hundred forty-nine million, nine hundred twenty-five thousand, three hundred twelve".