2592605861 has 2 divisors, whose sum is σ = 2592605862. Its totient is φ = 2592605860.

The previous prime is 2592605843. The next prime is 2592605909. The reversal of 2592605861 is 1685062952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2410220836 + 182385025 = 49094^2 + 13505^2 .

It is a cyclic number.

It is not a de Polignac number, because 2592605861 - 2²⁶ = 2525496997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2592605801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1296302930 + 1296302931.

It is an arithmetic number, because the mean of its divisors is an integer number (1296302931).

Almost surely, 2^2592605861 is an apocalyptic number.

It is an amenable number.

2592605861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2592605861 is an equidigital number, since it uses as much as digits as its factorization.

2592605861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 2592605861 is about 50917.6380147391. The cubic root of 2592605861 is about 1373.7641101514.

The spelling of 2592605861 in words is "two billion, five hundred ninety-two million, six hundred five thousand, eight hundred sixty-one".