254091479 has 2 divisors, whose sum is σ = 254091480. Its totient is φ = 254091478.

The previous prime is 254091449. The next prime is 254091517. The reversal of 254091479 is 974190452.

254091479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254091479 - 2¹⁶ = 254025943 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254091449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127045739 + 127045740.

It is an arithmetic number, because the mean of its divisors is an integer number (127045740).

Almost surely, 2^254091479 is an apocalyptic number.

254091479 is a deficient number, since it is larger than the sum of its proper divisors (1).

254091479 is an equidigital number, since it uses as much as digits as its factorization.

254091479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 254091479 is about 15940.2471436299. The cubic root of 254091479 is about 633.3785727303.

The spelling of 254091479 in words is "two hundred fifty-four million, ninety-one thousand, four hundred seventy-nine".