254040251 has 2 divisors, whose sum is σ = 254040252. Its totient is φ = 254040250.

The previous prime is 254040211. The next prime is 254040263. The reversal of 254040251 is 152040452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254040251 - 2²⁶ = 186931387 is a prime.

It is not a weakly prime, because it can be changed into another prime (254040211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127020125 + 127020126.

It is an arithmetic number, because the mean of its divisors is an integer number (127020126).

Almost surely, 2^254040251 is an apocalyptic number.

254040251 is a deficient number, since it is larger than the sum of its proper divisors (1).

254040251 is an equidigital number, since it uses as much as digits as its factorization.

254040251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 254040251 is about 15938.6401866659. The cubic root of 254040251 is about 633.3360042054.

The spelling of 254040251 in words is "two hundred fifty-four million, forty thousand, two hundred fifty-one".