515513325 has 24 divisors (see below), whose sum is σ = 855043488. Its totient is φ = 274060480.

The previous prime is 515513293. The next prime is 515513347. The reversal of 515513325 is 523315515.

It is not a de Polignac number, because 515513325 - 2⁵ = 515513293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 515513292 and 515513301.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 12934 + ... + 34616.

It is an arithmetic number, because the mean of its divisors is an integer number (35626812).

Almost surely, 2^515513325 is an apocalyptic number.

It is an amenable number.

515513325 is a deficient number, since it is larger than the sum of its proper divisors (339530163).

515513325 is a wasteful number, since it uses less digits than its factorization.

515513325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22013 (or 22008 counting only the distinct ones).

The product of its digits is 11250, while the sum is 30.

The square root of 515513325 is about 22704.9185200035. The cubic root of 515513325 is about 801.8256871843.

The spelling of 515513325 in words is "five hundred fifteen million, five hundred thirteen thousand, three hundred twenty-five".