254342663 has 2 divisors, whose sum is σ = 254342664. Its totient is φ = 254342662.

The previous prime is 254342659. The next prime is 254342681. The reversal of 254342663 is 366243452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254342663 - 2² = 254342659 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254342603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127171331 + 127171332.

It is an arithmetic number, because the mean of its divisors is an integer number (127171332).

Almost surely, 2^254342663 is an apocalyptic number.

254342663 is a deficient number, since it is larger than the sum of its proper divisors (1).

254342663 is an equidigital number, since it uses as much as digits as its factorization.

254342663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 35.

The square root of 254342663 is about 15948.1241216640. The cubic root of 254342663 is about 633.5872143425.

The spelling of 254342663 in words is "two hundred fifty-four million, three hundred forty-two thousand, six hundred sixty-three".