254222531 has 2 divisors, whose sum is σ = 254222532. Its totient is φ = 254222530.

The previous prime is 254222513. The next prime is 254222533. The reversal of 254222531 is 135222452.

Together with previous prime (254222513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254222531 - 2⁶ = 254222467 is a prime.

It is a super-2 number, since 2×254222531² = 129258190536091922, which contains 22 as substring.

Together with 254222533, it forms a pair of twin primes.

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 254222531.

It is not a weakly prime, because it can be changed into another prime (254222533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127111265 + 127111266.

It is an arithmetic number, because the mean of its divisors is an integer number (127111266).

Almost surely, 2^254222531 is an apocalyptic number.

254222531 is a deficient number, since it is larger than the sum of its proper divisors (1).

254222531 is an equidigital number, since it uses as much as digits as its factorization.

254222531 is an odious number, because the sum of its binary digits is odd.

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

The square root of 254222531 is about 15944.3573404512. The cubic root of 254222531 is about 633.4874459369.

Adding to 254222531 its reverse (135222452), we get a palindrome (389444983).

The spelling of 254222531 in words is "two hundred fifty-four million, two hundred twenty-two thousand, five hundred thirty-one".