513454612 has 36 divisors (see below), whose sum is σ = 1012955328. Its totient is φ = 225841200.

The previous prime is 513454607. The next prime is 513454663. The reversal of 513454612 is 216454315.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36213 + ... + 48355.

It is an arithmetic number, because the mean of its divisors is an integer number (28137648).

Almost surely, 2^513454612 is an apocalyptic number.

It is an amenable number.

513454612 is a deficient number, since it is larger than the sum of its proper divisors (499500716).

513454612 is a wasteful number, since it uses less digits than its factorization.

513454612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12220 (or 12187 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 513454612 is about 22659.5368884715. The cubic root of 513454612 is about 800.7568940800.

The spelling of 513454612 in words is "five hundred thirteen million, four hundred fifty-four thousand, six hundred twelve".