254944453 has 2 divisors, whose sum is σ = 254944454. Its totient is φ = 254944452.

The previous prime is 254944439. The next prime is 254944477. The reversal of 254944453 is 354449452.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253987969 + 956484 = 15937^2 + 978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254944453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254944153) 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, 127472226 + 127472227.

It is an arithmetic number, because the mean of its divisors is an integer number (127472227).

Almost surely, 2^254944453 is an apocalyptic number.

It is an amenable number.

254944453 is a deficient number, since it is larger than the sum of its proper divisors (1).

254944453 is an equidigital number, since it uses as much as digits as its factorization.

254944453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 40.

The square root of 254944453 is about 15966.9800839107. The cubic root of 254944453 is about 634.0865225387.

The spelling of 254944453 in words is "two hundred fifty-four million, nine hundred forty-four thousand, four hundred fifty-three".