2015525025 has 120 divisors (see below), whose sum is σ = 3881834880. Its totient is φ = 1033119360.

The previous prime is 2015525011. The next prime is 2015525033. The reversal of 2015525025 is 5205255102.

2015525025 is a `hidden beast` number, since 2 + 0 + 155 + 2 + 502 + 5 = 666.

It is not a de Polignac number, because 2015525025 - 2⁴ = 2015525009 is a prime.

It is a super-2 number, since 2×2015525025² = 8124682252802501250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2015525025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 6878779 + ... + 6879071.

It is an arithmetic number, because the mean of its divisors is an integer number (32348624).

Almost surely, 2^2015525025 is an apocalyptic number.

2015525025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2015525025 is a deficient number, since it is larger than the sum of its proper divisors (1866309855).

2015525025 is a wasteful number, since it uses less digits than its factorization.

2015525025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 2015525025 is about 44894.5990626935. The cubic root of 2015525025 is about 1263.1727016562.

The spelling of 2015525025 in words is "two billion, fifteen million, five hundred twenty-five thousand, twenty-five".