513140553 has 12 divisors (see below), whose sum is σ = 745346160. Its totient is φ = 340181496.

The previous prime is 513140549. The next prime is 513140623. The reversal of 513140553 is 355041315.

513140553 is a `hidden beast` number, since 513 + 140 + 5 + 5 + 3 = 666.

It is not a de Polignac number, because 513140553 - 2² = 513140549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513140503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157651 + ... + 160872.

It is an arithmetic number, because the mean of its divisors is an integer number (62112180).

Almost surely, 2^513140553 is an apocalyptic number.

It is an amenable number.

513140553 is a deficient number, since it is larger than the sum of its proper divisors (232205607).

513140553 is a wasteful number, since it uses less digits than its factorization.

513140553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318708 (or 318705 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 513140553 is about 22652.6058765874. The cubic root of 513140553 is about 800.5935974645.

Adding to 513140553 its reverse (355041315), we get a palindrome (868181868).

The spelling of 513140553 in words is "five hundred thirteen million, one hundred forty thousand, five hundred fifty-three".