525815681059 has 2 divisors, whose sum is σ = 525815681060. Its totient is φ = 525815681058.

The previous prime is 525815681023. The next prime is 525815681081. The reversal of 525815681059 is 950186518525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525815681059 - 2²⁵ = 525782126627 is a prime.

It is a super-2 number, since 2×525815681059² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (525815681459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262907840529 + 262907840530.

It is an arithmetic number, because the mean of its divisors is an integer number (262907840530).

Almost surely, 2^525815681059 is an apocalyptic number.

525815681059 is a deficient number, since it is larger than the sum of its proper divisors (1).

525815681059 is an equidigital number, since it uses as much as digits as its factorization.

525815681059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320000, while the sum is 55.

The spelling of 525815681059 in words is "five hundred twenty-five billion, eight hundred fifteen million, six hundred eighty-one thousand, fifty-nine".