254626481 has 2 divisors, whose sum is σ = 254626482. Its totient is φ = 254626480.

The previous prime is 254626453. The next prime is 254626483. The reversal of 254626481 is 184626452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244640881 + 9985600 = 15641^2 + 3160^2 .

It is a cyclic number.

It is not a de Polignac number, because 254626481 - 2²² = 250432177 is a prime.

It is a super-2 number, since 2×254626481² = 129669289652886722, which contains 22 as substring.

Together with 254626483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254626483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127313240 + 127313241.

It is an arithmetic number, because the mean of its divisors is an integer number (127313241).

Almost surely, 2^254626481 is an apocalyptic number.

It is an amenable number.

254626481 is a deficient number, since it is larger than the sum of its proper divisors (1).

254626481 is an equidigital number, since it uses as much as digits as its factorization.

254626481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 38.

The square root of 254626481 is about 15957.0198032089. The cubic root of 254626481 is about 633.8227975877.

The spelling of 254626481 in words is "two hundred fifty-four million, six hundred twenty-six thousand, four hundred eighty-one".