525242631 has 8 divisors (see below), whose sum is σ = 737182720. Its totient is φ = 331732152.

The previous prime is 525242621. The next prime is 525242647. The reversal of 525242631 is 136242525.

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

It is not a de Polignac number, because 525242631 - 2¹³ = 525234439 is a prime.

It is a super-2 number, since 2×525242631² = 551759642839604322, which 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 (525242611) 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, 4607335 + ... + 4607448.

It is an arithmetic number, because the mean of its divisors is an integer number (92147840).

Almost surely, 2^525242631 is an apocalyptic number.

525242631 is a deficient number, since it is larger than the sum of its proper divisors (211940089).

525242631 is a wasteful number, since it uses less digits than its factorization.

525242631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9214805.

The product of its digits is 14400, while the sum is 30.

The square root of 525242631 is about 22918.1725056777. The cubic root of 525242631 is about 806.8385793663.

It can be divided in two parts, 52524 and 2631, that added together give a palindrome (55155).

The spelling of 525242631 in words is "five hundred twenty-five million, two hundred forty-two thousand, six hundred thirty-one".