254134993 has 16 divisors (see below), whose sum is σ = 300384256. Its totient is φ = 210399120.

The previous prime is 254134987. The next prime is 254134997. The reversal of 254134993 is 399431452.

It is a cyclic number.

It is not a de Polignac number, because 254134993 - 2¹⁷ = 254003921 is a prime.

It is a super-2 number, since 2×254134993² = 129169189334220098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254134997) 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, 177880 + ... + 179302.

It is an arithmetic number, because the mean of its divisors is an integer number (18774016).

Almost surely, 2^254134993 is an apocalyptic number.

It is an amenable number.

254134993 is a deficient number, since it is larger than the sum of its proper divisors (46249263).

254134993 is a wasteful number, since it uses less digits than its factorization.

254134993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284.

The product of its digits is 116640, while the sum is 40.

The square root of 254134993 is about 15941.6119950274. The cubic root of 254134993 is about 633.4147267199.

The spelling of 254134993 in words is "two hundred fifty-four million, one hundred thirty-four thousand, nine hundred ninety-three".