2521662452 has 12 divisors (see below), whose sum is σ = 4415438916. Its totient is φ = 1260108480.

The previous prime is 2521662391. The next prime is 2521662467. The reversal of 2521662452 is 2542661252.

2521662452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 497022436 + 2024640016 = 22294^2 + 44996^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172799 + ... + 186822.

It is an arithmetic number, because the mean of its divisors is an integer number (367953243).

Almost surely, 2^2521662452 is an apocalyptic number.

It is an amenable number.

2521662452 is a deficient number, since it is larger than the sum of its proper divisors (1893776464).

2521662452 is a wasteful number, since it uses less digits than its factorization.

2521662452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361378 (or 361376 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 2521662452 is about 50216.1572803017. The cubic root of 2521662452 is about 1361.1176028217.

The spelling of 2521662452 in words is "two billion, five hundred twenty-one million, six hundred sixty-two thousand, four hundred fifty-two".