525003231 has 16 divisors (see below), whose sum is σ = 780192000. Its totient is φ = 312075648.

The previous prime is 525003217. The next prime is 525003233. The reversal of 525003231 is 132300525.

It is not a de Polignac number, because 525003231 - 2⁹ = 525002719 is a prime.

It is a super-2 number, since 2×525003231² = 551256785120878722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 525003198 and 525003207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525003233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269931 + ... + 271868.

It is an arithmetic number, because the mean of its divisors is an integer number (48762000).

Almost surely, 2^525003231 is an apocalyptic number.

525003231 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

525003231 is a deficient number, since it is larger than the sum of its proper divisors (255188769).

525003231 is a wasteful number, since it uses less digits than its factorization.

525003231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541838.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 525003231 is about 22912.9489808711. The cubic root of 525003231 is about 806.7159779257.

Adding to 525003231 its reverse (132300525), we get a palindrome (657303756).

The spelling of 525003231 in words is "five hundred twenty-five million, three thousand, two hundred thirty-one".