2520606825 has 72 divisors (see below), whose sum is σ = 4980886560. Its totient is φ = 1208275200.

The previous prime is 2520606787. The next prime is 2520606883. The reversal of 2520606825 is 5286060252.

2520606825 is a `hidden beast` number, since 2 + 5 + 20 + 606 + 8 + 25 = 666.

2520606825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2520606825 - 2¹⁵ = 2520574057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2520606825.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 214554 + ... + 225996.

It is an arithmetic number, because the mean of its divisors is an integer number (69178980).

Almost surely, 2^2520606825 is an apocalyptic number.

2520606825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2520606825 is a deficient number, since it is larger than the sum of its proper divisors (2460279735).

2520606825 is a wasteful number, since it uses less digits than its factorization.

2520606825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11559 (or 11551 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 2520606825 is about 50205.6453499006. The cubic root of 2520606825 is about 1360.9276444030.

The spelling of 2520606825 in words is "two billion, five hundred twenty million, six hundred six thousand, eight hundred twenty-five".