2530057298621 has 2 divisors, whose sum is σ = 2530057298622. Its totient is φ = 2530057298620.

The previous prime is 2530057298507. The next prime is 2530057298689. The reversal of 2530057298621 is 1268927500352.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2124638572996 + 405418725625 = 1457614^2 + 636725^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530057298621 - 2²² = 2530053104317 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 2530057298621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2530057295621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265028649310 + 1265028649311.

It is an arithmetic number, because the mean of its divisors is an integer number (1265028649311).

Almost surely, 2^{2530057298621} is an apocalyptic number.

It is an amenable number.

2530057298621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530057298621 is an equidigital number, since it uses as much as digits as its factorization.

2530057298621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 2530057298621 in words is "two trillion, five hundred thirty billion, fifty-seven million, two hundred ninety-eight thousand, six hundred twenty-one".