511172 has 12 divisors (see below), whose sum is σ = 913920. Its totient is φ = 250056.

The previous prime is 511171. The next prime is 511177. The reversal of 511172 is 271115.

It is a super-2 number, since 2×511172² = 522593627168, 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 511172.

It is not an unprimeable number, because it can be changed into a prime (511171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172 + ... + 1547.

It is an arithmetic number, because the mean of its divisors is an integer number (76160).

2⁵¹¹¹⁷² is an apocalyptic number.

It is an amenable number.

511172 is a deficient number, since it is larger than the sum of its proper divisors (402748).

511172 is a wasteful number, since it uses less digits than its factorization.

511172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770 (or 2768 counting only the distinct ones).

The product of its digits is 70, while the sum is 17.

The square root of 511172 is about 714.9629361023. The cubic root of 511172 is about 79.9568517320.

Adding to 511172 its reverse (271115), we get a palindrome (782287).

The spelling of 511172 in words is "five hundred eleven thousand, one hundred seventy-two".