254315387 has 2 divisors, whose sum is σ = 254315388. Its totient is φ = 254315386.

The previous prime is 254315339. The next prime is 254315407. The reversal of 254315387 is 783513452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254315387 - 2¹⁸ = 254053243 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 254315387.

It is not a weakly prime, because it can be changed into another prime (254314387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127157693 + 127157694.

It is an arithmetic number, because the mean of its divisors is an integer number (127157694).

Almost surely, 2^254315387 is an apocalyptic number.

254315387 is a deficient number, since it is larger than the sum of its proper divisors (1).

254315387 is an equidigital number, since it uses as much as digits as its factorization.

254315387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 38.

The square root of 254315387 is about 15947.2689511402. The cubic root of 254315387 is about 633.5645646587.

The spelling of 254315387 in words is "two hundred fifty-four million, three hundred fifteen thousand, three hundred eighty-seven".