2563331252597 has 4 divisors (see below), whose sum is σ = 2563402553580. Its totient is φ = 2563259951616.

The previous prime is 2563331252507. The next prime is 2563331252611. The reversal of 2563331252597 is 7952521333652.

2563331252597 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1596194720836 + 967136531761 = 1263406^2 + 983431^2 .

It is a cyclic number.

It is not a de Polignac number, because 2563331252597 - 2⁸ = 2563331252341 is a prime.

It is a super-2 number, since 2×2563331252597² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563331252507) 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, 35596538 + ... + 35668475.

It is an arithmetic number, because the mean of its divisors is an integer number (640850638395).

Almost surely, 2^{2563331252597} is an apocalyptic number.

It is an amenable number.

2563331252597 is a deficient number, since it is larger than the sum of its proper divisors (71300983).

2563331252597 is an equidigital number, since it uses as much as digits as its factorization.

2563331252597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71300982.

The product of its digits is 10206000, while the sum is 53.

The spelling of 2563331252597 in words is "two trillion, five hundred sixty-three billion, three hundred thirty-one million, two hundred fifty-two thousand, five hundred ninety-seven".