2515707225 has 72 divisors (see below), whose sum is σ = 4864242240. Its totient is φ = 1239047040.

The previous prime is 2515707221. The next prime is 2515707371. The reversal of 2515707225 is 5227075152.

2515707225 is a `hidden beast` number, since 2 + 515 + 70 + 72 + 2 + 5 = 666.

It is not a de Polignac number, because 2515707225 - 2² = 2515707221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2515707225.

It is not an unprimeable number, because it can be changed into a prime (2515707221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 141694 + ... + 158456.

It is an arithmetic number, because the mean of its divisors is an integer number (67558920).

Almost surely, 2^2515707225 is an apocalyptic number.

2515707225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2515707225 is a deficient number, since it is larger than the sum of its proper divisors (2348535015).

2515707225 is a wasteful number, since it uses less digits than its factorization.

2515707225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16831 (or 16823 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The square root of 2515707225 is about 50156.8263051003. The cubic root of 2515707225 is about 1360.0452740479.

The spelling of 2515707225 in words is "two billion, five hundred fifteen million, seven hundred seven thousand, two hundred twenty-five".