513663452 has 12 divisors (see below), whose sum is σ = 923206200. Its totient is φ = 249890256.

The previous prime is 513663433. The next prime is 513663463. The reversal of 513663452 is 254366315.

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, 1735202 + ... + 1735497.

It is an arithmetic number, because the mean of its divisors is an integer number (76933850).

Almost surely, 2^513663452 is an apocalyptic number.

It is an amenable number.

513663452 is a deficient number, since it is larger than the sum of its proper divisors (409542748).

513663452 is a wasteful number, since it uses less digits than its factorization.

513663452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3470740 (or 3470738 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 513663452 is about 22664.1446342014. The cubic root of 513663452 is about 800.8654446693.

The spelling of 513663452 in words is "five hundred thirteen million, six hundred sixty-three thousand, four hundred fifty-two".