513332073 has 20 divisors (see below), whose sum is σ = 783150720. Its totient is φ = 334937592.

The previous prime is 513332041. The next prime is 513332081. The reversal of 513332073 is 370233315.

It is not a de Polignac number, because 513332073 - 2⁵ = 513332041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (513332003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63613 + ... + 71226.

It is an arithmetic number, because the mean of its divisors is an integer number (39157536).

Almost surely, 2^513332073 is an apocalyptic number.

It is an amenable number.

513332073 is a deficient number, since it is larger than the sum of its proper divisors (269818647).

513332073 is a wasteful number, since it uses less digits than its factorization.

513332073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134898 (or 134889 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 27.

The square root of 513332073 is about 22656.8328104349. The cubic root of 513332073 is about 800.6931872117.

Adding to 513332073 its reverse (370233315), we get a palindrome (883565388).

The spelling of 513332073 in words is "five hundred thirteen million, three hundred thirty-two thousand, seventy-three".