2553360997 has 12 divisors (see below), whose sum is σ = 2852604748. Its totient is φ = 2283177600.

The previous prime is 2553360989. The next prime is 2553361021. The reversal of 2553360997 is 7990633552.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 990423841 + 1562937156 = 31471^2 + 39534^2 .

It is not a de Polignac number, because 2553360997 - 2³ = 2553360989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2553360997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553360947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165588 + ... + 180349.

Almost surely, 2^2553360997 is an apocalyptic number.

It is an amenable number.

2553360997 is a deficient number, since it is larger than the sum of its proper divisors (299243751).

2553360997 is a wasteful number, since it uses less digits than its factorization.

2553360997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346020 (or 346009 counting only the distinct ones).

The product of its (nonzero) digits is 1530900, while the sum is 49.

The square root of 2553360997 is about 50530.7925625554. The cubic root of 2553360997 is about 1366.7971778265.

The spelling of 2553360997 in words is "two billion, five hundred fifty-three million, three hundred sixty thousand, nine hundred ninety-seven".