2520605825 has 12 divisors (see below), whose sum is σ = 3133809840. Its totient is φ = 2011156560.

The previous prime is 2520605821. The next prime is 2520605833. The reversal of 2520605825 is 5285060252.

It is not a de Polignac number, because 2520605825 - 2² = 2520605821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2520605821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123539 + ... + 142488.

It is an arithmetic number, because the mean of its divisors is an integer number (261150820).

Almost surely, 2^2520605825 is an apocalyptic number.

2520605825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2520605825 is a deficient number, since it is larger than the sum of its proper divisors (613204015).

2520605825 is a wasteful number, since it uses less digits than its factorization.

2520605825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266416 (or 266411 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 2520605825 is about 50205.6353908603. The cubic root of 2520605825 is about 1360.9274644294.

The spelling of 2520605825 in words is "two billion, five hundred twenty million, six hundred five thousand, eight hundred twenty-five".