525431013 has 8 divisors (see below), whose sum is σ = 700680768. Its totient is φ = 350234304.

The previous prime is 525431009. The next prime is 525431033. The reversal of 525431013 is 310134525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 525431013 - 2² = 525431009 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525431033) 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, 30256 + ... + 44342.

It is an arithmetic number, because the mean of its divisors is an integer number (87585096).

Almost surely, 2^525431013 is an apocalyptic number.

It is an amenable number.

525431013 is a deficient number, since it is larger than the sum of its proper divisors (175249755).

525431013 is a wasteful number, since it uses less digits than its factorization.

525431013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26523.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 525431013 is about 22922.2820199037. The cubic root of 525431013 is about 806.9350272989.

Adding to 525431013 its reverse (310134525), we get a palindrome (835565538).

The spelling of 525431013 in words is "five hundred twenty-five million, four hundred thirty-one thousand, thirteen".