507172005 has 48 divisors (see below), whose sum is σ = 894890880. Its totient is φ = 265680000.

The previous prime is 507171989. The next prime is 507172007. The reversal of 507172005 is 500271705.

It is not a de Polignac number, because 507172005 - 2⁴ = 507171989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 507172005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507172007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 685926 + ... + 686664.

It is an arithmetic number, because the mean of its divisors is an integer number (18643560).

Almost surely, 2^507172005 is an apocalyptic number.

It is an amenable number.

507172005 is a deficient number, since it is larger than the sum of its proper divisors (387718875).

507172005 is a wasteful number, since it uses less digits than its factorization.

507172005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 999 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 507172005 is about 22520.4796796161. The cubic root of 507172005 is about 797.4774737072.

The spelling of 507172005 in words is "five hundred seven million, one hundred seventy-two thousand, five".