525022331 has 2 divisors, whose sum is σ = 525022332. Its totient is φ = 525022330.

The previous prime is 525022327. The next prime is 525022349. The reversal of 525022331 is 133220525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 525022331 - 2² = 525022327 is a prime.

It is a super-2 number, since 2×525022331² = 551296896097347122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 525022297 and 525022306.

It is not a weakly prime, because it can be changed into another prime (525022361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262511165 + 262511166.

It is an arithmetic number, because the mean of its divisors is an integer number (262511166).

Almost surely, 2^525022331 is an apocalyptic number.

525022331 is a deficient number, since it is larger than the sum of its proper divisors (1).

525022331 is an equidigital number, since it uses as much as digits as its factorization.

525022331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 525022331 is about 22913.3657719681. The cubic root of 525022331 is about 806.7257607787.

Adding to 525022331 its reverse (133220525), we get a palindrome (658242856).

The spelling of 525022331 in words is "five hundred twenty-five million, twenty-two thousand, three hundred thirty-one".