254538679 has 2 divisors, whose sum is σ = 254538680. Its totient is φ = 254538678.

The previous prime is 254538643. The next prime is 254538707. The reversal of 254538679 is 976835452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254538679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254532679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127269339 + 127269340.

It is an arithmetic number, because the mean of its divisors is an integer number (127269340).

Almost surely, 2^254538679 is an apocalyptic number.

254538679 is a deficient number, since it is larger than the sum of its proper divisors (1).

254538679 is an equidigital number, since it uses as much as digits as its factorization.

254538679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 49.

The square root of 254538679 is about 15954.2683630432. The cubic root of 254538679 is about 633.7499362119.

The spelling of 254538679 in words is "two hundred fifty-four million, five hundred thirty-eight thousand, six hundred seventy-nine".