250309072 has 30 divisors (see below), whose sum is σ = 522756038. Its totient is φ = 115421952.

The previous prime is 250309067. The next prime is 250309079. The reversal of 250309072 is 270903052.

It can be written as a sum of positive squares in 3 ways, for example, as 163216 + 250145856 = 404^2 + 15816^2 .

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 250309072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250309079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227628 + ... + 228724.

Almost surely, 2^250309072 is an apocalyptic number.

It is an amenable number.

250309072 is an abundant number, since it is smaller than the sum of its proper divisors (272446966).

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

250309072 is an equidigital number, since it uses as much as digits as its factorization.

250309072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215 (or 1112 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 250309072 is about 15821.1589967360. The cubic root of 250309072 is about 630.2200222515.

The spelling of 250309072 in words is "two hundred fifty million, three hundred nine thousand, seventy-two".