527434135861 has 2 divisors, whose sum is σ = 527434135862. Its totient is φ = 527434135860.

The previous prime is 527434135843. The next prime is 527434135903. The reversal of 527434135861 is 168531434725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 503631508900 + 23802626961 = 709670^2 + 154281^2 .

It is a cyclic number.

It is not a de Polignac number, because 527434135861 - 2¹¹ = 527434133813 is a prime.

It is a super-2 number, since 2×527434135861² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (527434135801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263717067930 + 263717067931.

It is an arithmetic number, because the mean of its divisors is an integer number (263717067931).

Almost surely, 2^527434135861 is an apocalyptic number.

It is an amenable number.

527434135861 is a deficient number, since it is larger than the sum of its proper divisors (1).

527434135861 is an equidigital number, since it uses as much as digits as its factorization.

527434135861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 49.

The spelling of 527434135861 in words is "five hundred twenty-seven billion, four hundred thirty-four million, one hundred thirty-five thousand, eight hundred sixty-one".