5791272521 has 4 divisors (see below), whose sum is σ = 5797427844. Its totient is φ = 5785117200.

The previous prime is 5791272491. The next prime is 5791272587. The reversal of 5791272521 is 1252721975.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3204126025 + 2587146496 = 56605^2 + 50864^2 .

It is a cyclic number.

It is not a de Polignac number, because 5791272521 - 2⁶ = 5791272457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5791275521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3076250 + ... + 3078131.

It is an arithmetic number, because the mean of its divisors is an integer number (1449356961).

Almost surely, 2^5791272521 is an apocalyptic number.

It is an amenable number.

5791272521 is a deficient number, since it is larger than the sum of its proper divisors (6155323).

5791272521 is an equidigital number, since it uses as much as digits as its factorization.

5791272521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6155322.

The product of its digits is 88200, while the sum is 41.

The square root of 5791272521 is about 76100.4107807573. The cubic root of 5791272521 is about 1795.8001384114.

The spelling of 5791272521 in words is "five billion, seven hundred ninety-one million, two hundred seventy-two thousand, five hundred twenty-one".