513227460 has 48 divisors (see below), whose sum is σ = 1451282112. Its totient is φ = 135504000.

The previous prime is 513227459. The next prime is 513227479. The reversal of 513227460 is 64722315.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 36286 + ... + 48405.

It is an arithmetic number, because the mean of its divisors is an integer number (30235044).

Almost surely, 2^513227460 is an apocalyptic number.

It is an amenable number.

513227460 is an abundant number, since it is smaller than the sum of its proper divisors (938054652).

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

513227460 is a wasteful number, since it uses less digits than its factorization.

513227460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84804 (or 84802 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 513227460 is about 22654.5240515002. The cubic root of 513227460 is about 800.6387918787.

Adding to 513227460 its reverse (64722315), we get a palindrome (577949775).

The spelling of 513227460 in words is "five hundred thirteen million, two hundred twenty-seven thousand, four hundred sixty".