525513331073 has 2 divisors, whose sum is σ = 525513331074. Its totient is φ = 525513331072.

The previous prime is 525513331061. The next prime is 525513331139. The reversal of 525513331073 is 370133315525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 520897079824 + 4616251249 = 721732^2 + 67943^2 .

It is a cyclic number.

It is not a de Polignac number, because 525513331073 - 2³² = 521218363777 is a prime.

It is a super-2 number, since 2×525513331073² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (525513381073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262756665536 + 262756665537.

It is an arithmetic number, because the mean of its divisors is an integer number (262756665537).

Almost surely, 2^525513331073 is an apocalyptic number.

It is an amenable number.

525513331073 is a deficient number, since it is larger than the sum of its proper divisors (1).

525513331073 is an equidigital number, since it uses as much as digits as its factorization.

525513331073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141750, while the sum is 38.

Adding to 525513331073 its reverse (370133315525), we get a palindrome (895646646598).

The spelling of 525513331073 in words is "five hundred twenty-five billion, five hundred thirteen million, three hundred thirty-one thousand, seventy-three".