2520581125 has 8 divisors (see below), whose sum is σ = 3145685400. Its totient is φ = 2016464800.

The previous prime is 2520581113. The next prime is 2520581159. The reversal of 2520581125 is 5211850252.

It can be written as a sum of positive squares in 4 ways, for example, as 31169889 + 2489411236 = 5583^2 + 49894^2 .

It is not a de Polignac number, because 2520581125 - 2⁵ = 2520581093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10082200 + ... + 10082449.

It is an arithmetic number, because the mean of its divisors is an integer number (393210675).

Almost surely, 2^2520581125 is an apocalyptic number.

2520581125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2520581125 is a deficient number, since it is larger than the sum of its proper divisors (625104275).

2520581125 is an equidigital number, since it uses as much as digits as its factorization.

2520581125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20164664 (or 20164654 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 2520581125 is about 50205.3894019357. The cubic root of 2520581125 is about 1360.9230190671.

The spelling of 2520581125 in words is "two billion, five hundred twenty million, five hundred eighty-one thousand, one hundred twenty-five".