65252202621757 has 2 divisors, whose sum is σ = 65252202621758. Its totient is φ = 65252202621756.

The previous prime is 65252202621607. The next prime is 65252202621787. The reversal of 65252202621757 is 75712620225256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53461673439001 + 11790529182756 = 7311749^2 + 3433734^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65252202621757 is a prime.

It is a super-2 number, since 2×65252202621757² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65252202621787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32626101310878 + 32626101310879.

It is an arithmetic number, because the mean of its divisors is an integer number (32626101310879).

Almost surely, 2^{65252202621757} is an apocalyptic number.

It is an amenable number.

65252202621757 is a deficient number, since it is larger than the sum of its proper divisors (1).

65252202621757 is an equidigital number, since it uses as much as digits as its factorization.

65252202621757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056000, while the sum is 52.

The spelling of 65252202621757 in words is "sixty-five trillion, two hundred fifty-two billion, two hundred two million, six hundred twenty-one thousand, seven hundred fifty-seven".