2591242593 has 4 divisors (see below), whose sum is σ = 3454990128. Its totient is φ = 1727495060.

The previous prime is 2591242559. The next prime is 2591242603. The reversal of 2591242593 is 3952421952.

2591242593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 2591242593 - 2⁹ = 2591242081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2591242543) 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, 431873763 + ... + 431873768.

It is an arithmetic number, because the mean of its divisors is an integer number (863747532).

Almost surely, 2^2591242593 is an apocalyptic number.

It is an amenable number.

2591242593 is a deficient number, since it is larger than the sum of its proper divisors (863747535).

2591242593 is an equidigital number, since it uses as much as digits as its factorization.

2591242593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863747534.

The product of its digits is 194400, while the sum is 42.

The square root of 2591242593 is about 50904.2492627089. The cubic root of 2591242593 is about 1373.5232794831.

The spelling of 2591242593 in words is "two billion, five hundred ninety-one million, two hundred forty-two thousand, five hundred ninety-three".