254233993 has 16 divisors (see below), whose sum is σ = 284141200. Its totient is φ = 225939456.

The previous prime is 254233957. The next prime is 254234011. The reversal of 254233993 is 399332452.

It can be written as a sum of positive squares in 8 ways, for example, as 12369289 + 241864704 = 3517^2 + 15552^2 .

It is a cyclic number.

It is not a de Polignac number, because 254233993 - 2¹³ = 254225801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254233943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43933 + ... + 49381.

It is an arithmetic number, because the mean of its divisors is an integer number (17758825).

Almost surely, 2^254233993 is an apocalyptic number.

It is an amenable number.

254233993 is a deficient number, since it is larger than the sum of its proper divisors (29907207).

254233993 is a wasteful number, since it uses less digits than its factorization.

254233993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5596.

The product of its digits is 174960, while the sum is 40.

The square root of 254233993 is about 15944.7167739035. The cubic root of 254233993 is about 633.4969663676.

The spelling of 254233993 in words is "two hundred fifty-four million, two hundred thirty-three thousand, nine hundred ninety-three".