513992 has 16 divisors (see below), whose sum is σ = 984960. Its totient is φ = 251344.

The previous prime is 513991. The next prime is 514001. The reversal of 513992 is 299315.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 513992.

It is not an unprimeable number, because it can be changed into a prime (513991) 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, 308 + ... + 1059.

It is an arithmetic number, because the mean of its divisors is an integer number (61560).

2⁵¹³⁹⁹² is an apocalyptic number.

It is an amenable number.

513992 is a deficient number, since it is larger than the sum of its proper divisors (470968).

513992 is a wasteful number, since it uses less digits than its factorization.

513992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420 (or 1416 counting only the distinct ones).

The product of its digits is 2430, while the sum is 29.

The square root of 513992 is about 716.9323538522. The cubic root of 513992 is about 80.1036157393.

The spelling of 513992 in words is "five hundred thirteen thousand, nine hundred ninety-two".