2520606651 has 32 divisors (see below), whose sum is σ = 3483744768. Its totient is φ = 1620053760.

The previous prime is 2520606631. The next prime is 2520606667. The reversal of 2520606651 is 1566060252.

It is a happy number.

It is not a de Polignac number, because 2520606651 - 2⁵ = 2520606619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2520606631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5689636 + ... + 5690078.

It is an arithmetic number, because the mean of its divisors is an integer number (108867024).

Almost surely, 2^2520606651 is an apocalyptic number.

2520606651 is a deficient number, since it is larger than the sum of its proper divisors (963138117).

2520606651 is a wasteful number, since it uses less digits than its factorization.

2520606651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 2520606651 is about 50205.6436170278. The cubic root of 2520606651 is about 1360.9276130876.

The spelling of 2520606651 in words is "two billion, five hundred twenty million, six hundred six thousand, six hundred fifty-one".