254384891 has 2 divisors, whose sum is σ = 254384892. Its totient is φ = 254384890.

The previous prime is 254384849. The next prime is 254384927. The reversal of 254384891 is 198483452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254384891 - 2⁶ = 254384827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254384831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127192445 + 127192446.

It is an arithmetic number, because the mean of its divisors is an integer number (127192446).

Almost surely, 2^254384891 is an apocalyptic number.

254384891 is a deficient number, since it is larger than the sum of its proper divisors (1).

254384891 is an equidigital number, since it uses as much as digits as its factorization.

254384891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 44.

The square root of 254384891 is about 15949.4479841780. The cubic root of 254384891 is about 633.6222768051.

The spelling of 254384891 in words is "two hundred fifty-four million, three hundred eighty-four thousand, eight hundred ninety-one".