254944387 has 2 divisors, whose sum is σ = 254944388. Its totient is φ = 254944386.

The previous prime is 254944379. The next prime is 254944399. The reversal of 254944387 is 783449452.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254944387 - 2³ = 254944379 is a prime.

It is a super-3 number, since 3×254944387³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (254944367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127472193 + 127472194.

It is an arithmetic number, because the mean of its divisors is an integer number (127472194).

Almost surely, 2^254944387 is an apocalyptic number.

254944387 is a deficient number, since it is larger than the sum of its proper divisors (1).

254944387 is an equidigital number, since it uses as much as digits as its factorization.

254944387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 46.

The square root of 254944387 is about 15966.9780171453. The cubic root of 254944387 is about 634.0864678213.

The spelling of 254944387 in words is "two hundred fifty-four million, nine hundred forty-four thousand, three hundred eighty-seven".