519972 has 12 divisors (see below), whose sum is σ = 1213296. Its totient is φ = 173320.

The previous prime is 519971. The next prime is 519989. The reversal of 519972 is 279915.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (519971) 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, 21654 + ... + 21677.

It is an arithmetic number, because the mean of its divisors is an integer number (101108).

2⁵¹⁹⁹⁷² is an apocalyptic number.

It is an amenable number.

519972 is an abundant number, since it is smaller than the sum of its proper divisors (693324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

519972 is a wasteful number, since it uses less digits than its factorization.

519972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43338 (or 43336 counting only the distinct ones).

The product of its digits is 5670, while the sum is 33.

The square root of 519972 is about 721.0908403246. The cubic root of 519972 is about 80.4130718084.

The spelling of 519972 in words is "five hundred nineteen thousand, nine hundred seventy-two".