2521988051 has 4 divisors (see below), whose sum is σ = 2751259704. Its totient is φ = 2292716400.

The previous prime is 2521988041. The next prime is 2521988107. The reversal of 2521988051 is 1508891252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2521988051 - 2¹⁴ = 2521971667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2521988041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114635810 + ... + 114635831.

It is an arithmetic number, because the mean of its divisors is an integer number (687814926).

Almost surely, 2^2521988051 is an apocalyptic number.

2521988051 is a deficient number, since it is larger than the sum of its proper divisors (229271653).

2521988051 is a wasteful number, since it uses less digits than its factorization.

2521988051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229271652.

The product of its (nonzero) digits is 57600, while the sum is 41.

The square root of 2521988051 is about 50219.3991501292. The cubic root of 2521988051 is about 1361.1761831519.

The spelling of 2521988051 in words is "two billion, five hundred twenty-one million, nine hundred eighty-eight thousand, fifty-one".