2597224681 has 4 divisors (see below), whose sum is σ = 2604582612. Its totient is φ = 2589866752.

The previous prime is 2597224579. The next prime is 2597224687. The reversal of 2597224681 is 1864227952.

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 1674037225 + 923187456 = 40915^2 + 30384^2 .

It is a cyclic number.

It is not a de Polignac number, because 2597224681 - 2⁹ = 2597224169 is a prime.

It is a super-2 number, since 2×2597224681² = 13491152087191103522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2597224687) 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, 3678436 + ... + 3679141.

It is an arithmetic number, because the mean of its divisors is an integer number (651145653).

Almost surely, 2^2597224681 is an apocalyptic number.

It is an amenable number.

2597224681 is a deficient number, since it is larger than the sum of its proper divisors (7357931).

2597224681 is an equidigital number, since it uses as much as digits as its factorization.

2597224681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7357930.

The product of its digits is 483840, while the sum is 46.

The square root of 2597224681 is about 50962.9736279193. The cubic root of 2597224681 is about 1374.5794294561.

It can be divided in two parts, 25972 and 24681, that added together give a cube (50653 = 37³).

The spelling of 2597224681 in words is "two billion, five hundred ninety-seven million, two hundred twenty-four thousand, six hundred eighty-one".