2521952163 has 24 divisors (see below), whose sum is σ = 3697870176. Its totient is φ = 1655942400.

The previous prime is 2521952161. The next prime is 2521952183. The reversal of 2521952163 is 3612591252.

It is a happy number.

2521952163 is a `hidden beast` number, since 252 + 195 + 216 + 3 = 666.

It is not a de Polignac number, because 2521952163 - 2¹ = 2521952161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2521952161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1134393 + ... + 1136613.

It is an arithmetic number, because the mean of its divisors is an integer number (154077924).

Almost surely, 2^2521952163 is an apocalyptic number.

2521952163 is a deficient number, since it is larger than the sum of its proper divisors (1175918013).

2521952163 is a wasteful number, since it uses less digits than its factorization.

2521952163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075 (or 4072 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 2521952163 is about 50219.0418367376. The cubic root of 2521952163 is about 1361.1697265891.

The spelling of 2521952163 in words is "two billion, five hundred twenty-one million, nine hundred fifty-two thousand, one hundred sixty-three".