525342422702161 has 2 divisors, whose sum is σ = 525342422702162. Its totient is φ = 525342422702160.

The previous prime is 525342422702113. The next prime is 525342422702179. The reversal of 525342422702161 is 161207224243525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493569539780625 + 31772882921536 = 22216425^2 + 5636744^2 .

It is a cyclic number.

It is not a de Polignac number, because 525342422702161 - 2⁷ = 525342422702033 is a prime.

It is a super-2 number, since 2×525342422702161² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (525342422708161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262671211351080 + 262671211351081.

It is an arithmetic number, because the mean of its divisors is an integer number (262671211351081).

Almost surely, 2^{525342422702161} is an apocalyptic number.

It is an amenable number.

525342422702161 is a deficient number, since it is larger than the sum of its proper divisors (1).

525342422702161 is an equidigital number, since it uses as much as digits as its factorization.

525342422702161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1612800, while the sum is 46.

Adding to 525342422702161 its reverse (161207224243525), we get a palindrome (686549646945686).

The spelling of 525342422702161 in words is "five hundred twenty-five trillion, three hundred forty-two billion, four hundred twenty-two million, seven hundred two thousand, one hundred sixty-one".