522142253 has 2 divisors, whose sum is σ = 522142254. Its totient is φ = 522142252.

The previous prime is 522142237. The next prime is 522142333. The reversal of 522142253 is 352241225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263640169 + 258502084 = 16237^2 + 16078^2 .

It is a cyclic number.

It is not a de Polignac number, because 522142253 - 2⁴ = 522142237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522141253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261071126 + 261071127.

It is an arithmetic number, because the mean of its divisors is an integer number (261071127).

Almost surely, 2^522142253 is an apocalyptic number.

It is an amenable number.

522142253 is a deficient number, since it is larger than the sum of its proper divisors (1).

522142253 is an equidigital number, since it uses as much as digits as its factorization.

522142253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 26.

The square root of 522142253 is about 22850.4322278595. The cubic root of 522142253 is about 805.2479223001.

Adding to 522142253 its reverse (352241225), we get a palindrome (874383478).

It can be divided in two parts, 5221 and 42253, that added together give a palindrome (47474).

The spelling of 522142253 in words is "five hundred twenty-two million, one hundred forty-two thousand, two hundred fifty-three".