525354134013 has 8 divisors (see below), whose sum is σ = 778302420800. Its totient is φ = 350236089324.

The previous prime is 525354133999. The next prime is 525354134021. The reversal of 525354134013 is 310431453525.

525354134013 is a `hidden beast` number, since 5 + 253 + 54 + 1 + 340 + 13 = 666.

It is not a de Polignac number, because 525354134013 - 2¹² = 525354129917 is a prime.

It is a super-2 number, since 2×525354134013² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525354134813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9728780233 + ... + 9728780286.

It is an arithmetic number, because the mean of its divisors is an integer number (97287802600).

Almost surely, 2^525354134013 is an apocalyptic number.

It is an amenable number.

525354134013 is a deficient number, since it is larger than the sum of its proper divisors (252948286787).

525354134013 is a wasteful number, since it uses less digits than its factorization.

525354134013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19457560528 (or 19457560522 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 525354134013 its reverse (310431453525), we get a palindrome (835785587538).

The spelling of 525354134013 in words is "five hundred twenty-five billion, three hundred fifty-four million, one hundred thirty-four thousand, thirteen".