513252492 has 48 divisors (see below), whose sum is σ = 1238802432. Its totient is φ = 165219840.

The previous prime is 513252451. The next prime is 513252533. The reversal of 513252492 is 294252315.

It is an interprime number because it is at equal distance from previous prime (513252451) and next prime (513252533).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224668 + ... + 226940.

It is an arithmetic number, because the mean of its divisors is an integer number (25808384).

Almost surely, 2^513252492 is an apocalyptic number.

It is an amenable number.

513252492 is an abundant number, since it is smaller than the sum of its proper divisors (725549940).

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

513252492 is a wasteful number, since it uses less digits than its factorization.

513252492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918 (or 2916 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 513252492 is about 22655.0765171959. The cubic root of 513252492 is about 800.6518083714.

The spelling of 513252492 in words is "five hundred thirteen million, two hundred fifty-two thousand, four hundred ninety-two".