254784793 has 2 divisors, whose sum is σ = 254784794. Its totient is φ = 254784792.

The previous prime is 254784779. The next prime is 254784857. The reversal of 254784793 is 397487452.

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., 174556944 + 80227849 = 13212^2 + 8957^2 .

It is a cyclic number.

It is not a de Polignac number, because 254784793 - 2¹³ = 254776601 is a prime.

It is not a weakly prime, because it can be changed into another prime (254784743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127392396 + 127392397.

It is an arithmetic number, because the mean of its divisors is an integer number (127392397).

Almost surely, 2^254784793 is an apocalyptic number.

It is an amenable number.

254784793 is a deficient number, since it is larger than the sum of its proper divisors (1).

254784793 is an equidigital number, since it uses as much as digits as its factorization.

254784793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 49.

The square root of 254784793 is about 15961.9796078055. The cubic root of 254784793 is about 633.9541284767.

The spelling of 254784793 in words is "two hundred fifty-four million, seven hundred eighty-four thousand, seven hundred ninety-three".