2521873837 has 12 divisors (see below), whose sum is σ = 2940408156. Its totient is φ = 2156595840.

The previous prime is 2521873817. The next prime is 2521873859. The reversal of 2521873837 is 7383781252.

It can be written as a sum of positive squares in 2 ways, for example, as 310429161 + 2211444676 = 17619^2 + 47026^2 .

It is not a de Polignac number, because 2521873837 - 2²³ = 2513485229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521873817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38214 + ... + 80647.

It is an arithmetic number, because the mean of its divisors is an integer number (245034013).

Almost surely, 2^2521873837 is an apocalyptic number.

It is an amenable number.

2521873837 is a deficient number, since it is larger than the sum of its proper divisors (418534319).

2521873837 is a wasteful number, since it uses less digits than its factorization.

2521873837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119308 (or 119301 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 2521873837 is about 50218.2619870501. The cubic root of 2521873837 is about 1361.1556348489.

The spelling of 2521873837 in words is "two billion, five hundred twenty-one million, eight hundred seventy-three thousand, eight hundred thirty-seven".