254313666 has 12 divisors (see below), whose sum is σ = 551012982. Its totient is φ = 84771216.

The previous prime is 254313649. The next prime is 254313667. The reversal of 254313666 is 666313452.

It can be written as a sum of positive squares in only one way, i.e., 234733041 + 19580625 = 15321^2 + 4425^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 254313666.

It is not an unprimeable number, because it can be changed into a prime (254313667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7064251 + ... + 7064286.

Almost surely, 2^254313666 is an apocalyptic number.

254313666 is an abundant number, since it is smaller than the sum of its proper divisors (296699316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

254313666 is a wasteful number, since it uses less digits than its factorization.

254313666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14128545 (or 14128542 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 254313666 is about 15947.2149919665. The cubic root of 254313666 is about 633.5631355053.

The spelling of 254313666 in words is "two hundred fifty-four million, three hundred thirteen thousand, six hundred sixty-six".