2512665653 has 2 divisors, whose sum is σ = 2512665654. Its totient is φ = 2512665652.

The previous prime is 2512665629. The next prime is 2512665703. The reversal of 2512665653 is 3565662152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2460854449 + 51811204 = 49607^2 + 7198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2512665653 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2512665653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2512665553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256332826 + 1256332827.

It is an arithmetic number, because the mean of its divisors is an integer number (1256332827).

Almost surely, 2^2512665653 is an apocalyptic number.

It is an amenable number.

2512665653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2512665653 is an equidigital number, since it uses as much as digits as its factorization.

2512665653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 41.

The square root of 2512665653 is about 50126.4965163136. The cubic root of 2512665653 is about 1359.4969399878.

The spelling of 2512665653 in words is "two billion, five hundred twelve million, six hundred sixty-five thousand, six hundred fifty-three".