254930749 has 2 divisors, whose sum is σ = 254930750. Its totient is φ = 254930748.

The previous prime is 254930737. The next prime is 254930801. The reversal of 254930749 is 947039452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253287225 + 1643524 = 15915^2 + 1282^2 .

It is a cyclic number.

It is not a de Polignac number, because 254930749 - 2¹¹ = 254928701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254930719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127465374 + 127465375.

It is an arithmetic number, because the mean of its divisors is an integer number (127465375).

Almost surely, 2^254930749 is an apocalyptic number.

It is an amenable number.

254930749 is a deficient number, since it is larger than the sum of its proper divisors (1).

254930749 is an equidigital number, since it uses as much as digits as its factorization.

254930749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 254930749 is about 15966.5509425173. The cubic root of 254930749 is about 634.0751610084.

The spelling of 254930749 in words is "two hundred fifty-four million, nine hundred thirty thousand, seven hundred forty-nine".