2521565260 has 24 divisors (see below), whose sum is σ = 5298992496. Its totient is φ = 1007920320.

The previous prime is 2521565251. The next prime is 2521565269. The reversal of 2521565260 is 625651252.

It is an interprime number because it is at equal distance from previous prime (2521565251) and next prime (2521565269).

It is not an unprimeable number, because it can be changed into a prime (2521565269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14326 + ... + 72445.

It is an arithmetic number, because the mean of its divisors is an integer number (220791354).

Almost surely, 2^2521565260 is an apocalyptic number.

2521565260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2521565260 is an abundant number, since it is smaller than the sum of its proper divisors (2777427236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2521565260 is a wasteful number, since it uses less digits than its factorization.

2521565260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88233 (or 88231 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 2521565260 is about 50215.1895346418. The cubic root of 2521565260 is about 1361.1001154902.

The spelling of 2521565260 in words is "two billion, five hundred twenty-one million, five hundred sixty-five thousand, two hundred sixty".