513540032 has 14 divisors (see below), whose sum is σ = 1019056128. Its totient is φ = 256769984.

The previous prime is 513540031. The next prime is 513540077. The reversal of 513540032 is 230045315.

It is a super-2 number, since 2×513540032² = 527446728933122048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513540031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4011968 + ... + 4012095.

Almost surely, 2^513540032 is an apocalyptic number.

It is an amenable number.

513540032 is a deficient number, since it is larger than the sum of its proper divisors (505516096).

513540032 is an equidigital number, since it uses as much as digits as its factorization.

513540032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8024075 (or 8024065 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 513540032 is about 22661.4216676712. The cubic root of 513540032 is about 800.8012971357.

Adding to 513540032 its reverse (230045315), we get a palindrome (743585347).

The spelling of 513540032 in words is "five hundred thirteen million, five hundred forty thousand, thirty-two".