513146892 has 12 divisors (see below), whose sum is σ = 1197342776. Its totient is φ = 171048960.

The previous prime is 513146873. The next prime is 513146897. The reversal of 513146892 is 298641315.

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

It is a self number, because there is not a number n which added to its sum of digits gives 513146892.

It is not an unprimeable number, because it can be changed into a prime (513146897) 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, 21381109 + ... + 21381132.

Almost surely, 2^513146892 is an apocalyptic number.

It is an amenable number.

513146892 is an abundant number, since it is smaller than the sum of its proper divisors (684195884).

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

513146892 is a wasteful number, since it uses less digits than its factorization.

513146892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42762248 (or 42762246 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 513146892 is about 22652.7457938326. The cubic root of 513146892 is about 800.5968941193.

The spelling of 513146892 in words is "five hundred thirteen million, one hundred forty-six thousand, eight hundred ninety-two".