254936417 has 4 divisors (see below), whose sum is σ = 254968836. Its totient is φ = 254904000.

The previous prime is 254936399. The next prime is 254936447. The reversal of 254936417 is 714639452.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 65351056 + 189585361 = 8084^2 + 13769^2 .

It is a cyclic number.

It is not a de Polignac number, because 254936417 - 2⁸ = 254936161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254936447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3917 + ... + 22917.

It is an arithmetic number, because the mean of its divisors is an integer number (63742209).

Almost surely, 2^254936417 is an apocalyptic number.

It is an amenable number.

254936417 is a deficient number, since it is larger than the sum of its proper divisors (32419).

254936417 is a wasteful number, since it uses less digits than its factorization.

254936417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32418.

The product of its digits is 181440, while the sum is 41.

The square root of 254936417 is about 15966.7284375980. The cubic root of 254936417 is about 634.0798602079.

The spelling of 254936417 in words is "two hundred fifty-four million, nine hundred thirty-six thousand, four hundred seventeen".