513392892 has 12 divisors (see below), whose sum is σ = 1197916776. Its totient is φ = 171130960.

The previous prime is 513392881. The next prime is 513392909. The reversal of 513392892 is 298293315.

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

It is a super-2 number, since 2×513392892² = 527144523112247328, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21391359 + ... + 21391382.

It is an arithmetic number, because the mean of its divisors is an integer number (99826398).

Almost surely, 2^513392892 is an apocalyptic number.

It is an amenable number.

513392892 is an abundant number, since it is smaller than the sum of its proper divisors (684523884).

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

513392892 is a wasteful number, since it uses less digits than its factorization.

513392892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42782748 (or 42782746 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 513392892 is about 22658.1749485699. The cubic root of 513392892 is about 800.7248077023.

The spelling of 513392892 in words is "five hundred thirteen million, three hundred ninety-two thousand, eight hundred ninety-two".