501156252 has 18 divisors (see below), whose sum is σ = 1266811728. Its totient is φ = 167052072.

The previous prime is 501156251. The next prime is 501156259. The reversal of 501156252 is 252651105.

501156252 is a `hidden beast` number, since 50 + 1 + 1 + 562 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501156251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6960468 + ... + 6960539.

Almost surely, 2^501156252 is an apocalyptic number.

It is an amenable number.

501156252 is an abundant number, since it is smaller than the sum of its proper divisors (765655476).

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

501156252 is a wasteful number, since it uses less digits than its factorization.

501156252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13921017 (or 13921012 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 501156252 is about 22386.5194257616. The cubic root of 501156252 is about 794.3118668636.

The spelling of 501156252 in words is "five hundred one million, one hundred fifty-six thousand, two hundred fifty-two".