501253131 has 8 divisors (see below), whose sum is σ = 668450880. Its totient is φ = 334112072.

The previous prime is 501253127. The next prime is 501253147. The reversal of 501253131 is 131352105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 501253131 - 2² = 501253127 is a prime.

It is a super-2 number, since 2×501253131² = 502509402674606322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501253098 and 501253107.

It is not an unprimeable number, because it can be changed into a prime (501251131) 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, 15100 + ... + 35078.

It is an arithmetic number, because the mean of its divisors is an integer number (83556360).

Almost surely, 2^501253131 is an apocalyptic number.

501253131 is a deficient number, since it is larger than the sum of its proper divisors (167197749).

501253131 is a wasteful number, since it uses less digits than its factorization.

501253131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28345.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 501253131 is about 22388.6831010669. The cubic root of 501253131 is about 794.3630466311.

The spelling of 501253131 in words is "five hundred one million, two hundred fifty-three thousand, one hundred thirty-one".