525552423412 has 24 divisors (see below), whose sum is σ = 980925901704. Its totient is φ = 245513536512.

The previous prime is 525552423391. The next prime is 525552423413. The reversal of 525552423412 is 214324255525.

It can be written as a sum of positive squares in 4 ways, for example, as 163309741456 + 362242681956 = 404116^2 + 601866^2 .

It is a super-2 number, since 2×525552423412² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525552423413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28197663 + ... + 28216294.

It is an arithmetic number, because the mean of its divisors is an integer number (40871912571).

Almost surely, 2^525552423412 is an apocalyptic number.

It is an amenable number.

525552423412 is a deficient number, since it is larger than the sum of its proper divisors (455373478292).

525552423412 is a wasteful number, since it uses less digits than its factorization.

525552423412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56414115 (or 56414113 counting only the distinct ones).

The product of its digits is 480000, while the sum is 40.

Adding to 525552423412 its reverse (214324255525), we get a palindrome (739876678937).

The spelling of 525552423412 in words is "five hundred twenty-five billion, five hundred fifty-two million, four hundred twenty-three thousand, four hundred twelve".