515224025 has 12 divisors (see below), whose sum is σ = 645083712. Its totient is φ = 408175440.

The previous prime is 515223967. The next prime is 515224033. The reversal of 515224025 is 520422515.

It is not a de Polignac number, because 515224025 - 2¹⁰ = 515223001 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 515223985 and 515224003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97469 + ... + 102618.

It is an arithmetic number, because the mean of its divisors is an integer number (53756976).

Almost surely, 2^515224025 is an apocalyptic number.

It is an amenable number.

515224025 is a deficient number, since it is larger than the sum of its proper divisors (129859687).

515224025 is a wasteful number, since it uses less digits than its factorization.

515224025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200200 (or 200195 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 515224025 is about 22698.5467596496. The cubic root of 515224025 is about 801.6756674104.

The spelling of 515224025 in words is "five hundred fifteen million, two hundred twenty-four thousand, twenty-five".