254845387 has 2 divisors, whose sum is σ = 254845388. Its totient is φ = 254845386.

The previous prime is 254845361. The next prime is 254845399. The reversal of 254845387 is 783548452.

254845387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254845387 is a prime.

It is not a weakly prime, because it can be changed into another prime (254845187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127422693 + 127422694.

It is an arithmetic number, because the mean of its divisors is an integer number (127422694).

Almost surely, 2^254845387 is an apocalyptic number.

254845387 is a deficient number, since it is larger than the sum of its proper divisors (1).

254845387 is an equidigital number, since it uses as much as digits as its factorization.

254845387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1075200, while the sum is 46.

The square root of 254845387 is about 15963.8775678091. The cubic root of 254845387 is about 634.0043810463.

The spelling of 254845387 in words is "two hundred fifty-four million, eight hundred forty-five thousand, three hundred eighty-seven".