2521581275 has 12 divisors (see below), whose sum is σ = 3199477512. Its totient is φ = 1970351040.

The previous prime is 2521581203. The next prime is 2521581281. The reversal of 2521581275 is 5721851252.

2521581275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2521581275 - 2¹⁰ = 2521580251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1171754 + ... + 1173903.

It is an arithmetic number, because the mean of its divisors is an integer number (266623126).

Almost surely, 2^2521581275 is an apocalyptic number.

2521581275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2521581275 is a deficient number, since it is larger than the sum of its proper divisors (677896237).

2521581275 is a wasteful number, since it uses less digits than its factorization.

2521581275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345710 (or 2345705 counting only the distinct ones).

The product of its digits is 56000, while the sum is 38.

The square root of 2521581275 is about 50215.3489980902. The cubic root of 2521581275 is about 1361.1029970300.

The spelling of 2521581275 in words is "two billion, five hundred twenty-one million, five hundred eighty-one thousand, two hundred seventy-five".