525116231 has 2 divisors, whose sum is σ = 525116232. Its totient is φ = 525116230.

The previous prime is 525116201. The next prime is 525116257. The reversal of 525116231 is 132611525.

It is an a-pointer prime, because the next prime (525116257) can be obtained adding 525116231 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525116231 - 2¹⁴ = 525099847 is a prime.

It is a super-2 number, since 2×525116231² = 551494112119290722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525116231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525116201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262558115 + 262558116.

It is an arithmetic number, because the mean of its divisors is an integer number (262558116).

Almost surely, 2^525116231 is an apocalyptic number.

525116231 is a deficient number, since it is larger than the sum of its proper divisors (1).

525116231 is an equidigital number, since it uses as much as digits as its factorization.

525116231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 26.

The square root of 525116231 is about 22915.4147027716. The cubic root of 525116231 is about 806.7738520876.

Adding to 525116231 its reverse (132611525), we get a palindrome (657727756).

The spelling of 525116231 in words is "five hundred twenty-five million, one hundred sixteen thousand, two hundred thirty-one".