2371025521 has 4 divisors (see below), whose sum is σ = 2373282544. Its totient is φ = 2368768500.

The previous prime is 2371025509. The next prime is 2371025549. The reversal of 2371025521 is 1255201732.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2371025521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2371025521.

It is not an unprimeable number, because it can be changed into a prime (2371025021) 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 3 ways as a sum of consecutive naturals, for example, 1126935 + ... + 1129036.

It is an arithmetic number, because the mean of its divisors is an integer number (593320636).

Almost surely, 2^2371025521 is an apocalyptic number.

It is an amenable number.

2371025521 is a deficient number, since it is larger than the sum of its proper divisors (2257023).

2371025521 is a wasteful number, since it uses less digits than its factorization.

2371025521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257022.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 2371025521 is about 48693.1773557652. The cubic root of 2371025521 is about 1333.4561627607.

The spelling of 2371025521 in words is "two billion, three hundred seventy-one million, twenty-five thousand, five hundred twenty-one".