5139172 has 6 divisors (see below), whose sum is σ = 8993558. Its totient is φ = 2569584.

The previous prime is 5139161. The next prime is 5139179. The reversal of 5139172 is 2719315.

It can be written as a sum of positive squares in only one way, i.e., 4024036 + 1115136 = 2006^2 + 1056^2 .

It is a super-2 number, since 2×5139172² = 52822177691168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5139172.

It is not an unprimeable number, because it can be changed into a prime (5139179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642393 + ... + 642400.

Almost surely, 2^5139172 is an apocalyptic number.

It is an amenable number.

5139172 is a deficient number, since it is larger than the sum of its proper divisors (3854386).

5139172 is a wasteful number, since it uses less digits than its factorization.

5139172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284797 (or 1284795 counting only the distinct ones).

The product of its digits is 1890, while the sum is 28.

The square root of 5139172 is about 2266.9741948245. The cubic root of 5139172 is about 172.5696365209.

The spelling of 5139172 in words is "five million, one hundred thirty-nine thousand, one hundred seventy-two".