515425113 has 24 divisors (see below), whose sum is σ = 882376768. Its totient is φ = 294527664.

The previous prime is 515425111. The next prime is 515425123. The reversal of 515425113 is 311524515.

515425113 is a `hidden beast` number, since 5 + 1 + 542 + 5 + 113 = 666.

It is not a de Polignac number, because 515425113 - 2¹ = 515425111 is a prime.

It is a super-2 number, since 2×515425113² = 531326094222125538, which contains 22 as substring.

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 (515425111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149806 + ... + 153207.

Almost surely, 2^515425113 is an apocalyptic number.

It is an amenable number.

515425113 is a deficient number, since it is larger than the sum of its proper divisors (366951655).

515425113 is an equidigital number, since it uses as much as digits as its factorization.

515425113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303035 (or 303023 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 515425113 is about 22702.9758622080. The cubic root of 515425113 is about 801.7799498071.

Adding to 515425113 its reverse (311524515), we get a palindrome (826949628).

The spelling of 515425113 in words is "five hundred fifteen million, four hundred twenty-five thousand, one hundred thirteen".