2052636371257 has 2 divisors, whose sum is σ = 2052636371258. Its totient is φ = 2052636371256.

The previous prime is 2052636371213. The next prime is 2052636371267. The reversal of 2052636371257 is 7521736362502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1413949297216 + 638687074041 = 1189096^2 + 799179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2052636371257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2052636371257.

It is not a weakly prime, because it can be changed into another prime (2052636371267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026318185628 + 1026318185629.

It is an arithmetic number, because the mean of its divisors is an integer number (1026318185629).

Almost surely, 2^{2052636371257} is an apocalyptic number.

It is an amenable number.

2052636371257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2052636371257 is an equidigital number, since it uses as much as digits as its factorization.

2052636371257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 49.

The spelling of 2052636371257 in words is "two trillion, fifty-two billion, six hundred thirty-six million, three hundred seventy-one thousand, two hundred fifty-seven".