250505272 has 32 divisors (see below), whose sum is σ = 505929600. Its totient is φ = 115897824.

The previous prime is 250505261. The next prime is 250505273. The reversal of 250505272 is 272505052.

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 250505272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250505273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12628 + ... + 25699.

It is an arithmetic number, because the mean of its divisors is an integer number (15810300).

Almost surely, 2^250505272 is an apocalyptic number.

It is an amenable number.

250505272 is an abundant number, since it is smaller than the sum of its proper divisors (255424328).

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

250505272 is a wasteful number, since it uses less digits than its factorization.

250505272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38395 (or 38391 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 250505272 is about 15827.3583392808. The cubic root of 250505272 is about 630.3846412360.

The spelling of 250505272 in words is "two hundred fifty million, five hundred five thousand, two hundred seventy-two".