254344591 has 2 divisors, whose sum is σ = 254344592. Its totient is φ = 254344590.

The previous prime is 254344567. The next prime is 254344609. The reversal of 254344591 is 195443452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254344591 - 2¹³ = 254336399 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254344591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254344561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127172295 + 127172296.

It is an arithmetic number, because the mean of its divisors is an integer number (127172296).

Almost surely, 2^254344591 is an apocalyptic number.

254344591 is a deficient number, since it is larger than the sum of its proper divisors (1).

254344591 is an equidigital number, since it uses as much as digits as its factorization.

254344591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The square root of 254344591 is about 15948.1845675299. The cubic root of 254344591 is about 633.5888152707.

The spelling of 254344591 in words is "two hundred fifty-four million, three hundred forty-four thousand, five hundred ninety-one".