501136172 has 12 divisors (see below), whose sum is σ = 923145720. Its totient is φ = 237380256.

The previous prime is 501136133. The next prime is 501136201. The reversal of 501136172 is 271631105.

It is a super-2 number, since 2×501136172² = 502274925773627168, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3296873 + ... + 3297024.

It is an arithmetic number, because the mean of its divisors is an integer number (76928810).

Almost surely, 2^501136172 is an apocalyptic number.

It is an amenable number.

501136172 is a deficient number, since it is larger than the sum of its proper divisors (422009548).

501136172 is a wasteful number, since it uses less digits than its factorization.

501136172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6593920 (or 6593918 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 501136172 is about 22386.0709370805. The cubic root of 501136172 is about 794.3012580663.

Adding to 501136172 its reverse (271631105), we get a palindrome (772767277).

The spelling of 501136172 in words is "five hundred one million, one hundred thirty-six thousand, one hundred seventy-two".