2505752750797 has 2 divisors, whose sum is σ = 2505752750798. Its totient is φ = 2505752750796.

The previous prime is 2505752750747. The next prime is 2505752750843. The reversal of 2505752750797 is 7970572575052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1439378467081 + 1066374283716 = 1199741^2 + 1032654^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2505752750797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505752750717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252876375398 + 1252876375399.

It is an arithmetic number, because the mean of its divisors is an integer number (1252876375399).

Almost surely, 2^{2505752750797} is an apocalyptic number.

It is an amenable number.

2505752750797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505752750797 is an equidigital number, since it uses as much as digits as its factorization.

2505752750797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54022500, while the sum is 61.

The spelling of 2505752750797 in words is "two trillion, five hundred five billion, seven hundred fifty-two million, seven hundred fifty thousand, seven hundred ninety-seven".