513860557 has 16 divisors (see below), whose sum is σ = 607104000. Its totient is φ = 425617920.

The previous prime is 513860539. The next prime is 513860561. The reversal of 513860557 is 755068315.

It is not a de Polignac number, because 513860557 - 2¹⁵ = 513827789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513860527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200319 + ... + 202867.

It is an arithmetic number, because the mean of its divisors is an integer number (37944000).

Almost surely, 2^513860557 is an apocalyptic number.

It is an amenable number.

513860557 is a deficient number, since it is larger than the sum of its proper divisors (93243443).

513860557 is a wasteful number, since it uses less digits than its factorization.

513860557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3516.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 513860557 is about 22668.4926053763. The cubic root of 513860557 is about 800.9678686697.

The spelling of 513860557 in words is "five hundred thirteen million, eight hundred sixty thousand, five hundred fifty-seven".