2452165791 has 4 divisors (see below), whose sum is σ = 3269554392. Its totient is φ = 1634777192.

The previous prime is 2452165777. The next prime is 2452165811. The reversal of 2452165791 is 1975612542.

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

It is a cyclic number.

It is not a de Polignac number, because 2452165791 - 2⁹ = 2452165279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2452165721) 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, 408694296 + ... + 408694301.

It is an arithmetic number, because the mean of its divisors is an integer number (817388598).

Almost surely, 2^2452165791 is an apocalyptic number.

2452165791 is a deficient number, since it is larger than the sum of its proper divisors (817388601).

2452165791 is an equidigital number, since it uses as much as digits as its factorization.

2452165791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817388600.

The product of its digits is 151200, while the sum is 42.

The square root of 2452165791 is about 49519.3476431182. The cubic root of 2452165791 is about 1348.4968713018.

The spelling of 2452165791 in words is "two billion, four hundred fifty-two million, one hundred sixty-five thousand, seven hundred ninety-one".