254434993 has 8 divisors (see below), whose sum is σ = 266672448. Its totient is φ = 242295504.

The previous prime is 254434969. The next prime is 254435057. The reversal of 254434993 is 399434452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254434993 - 2¹³ = 254426801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254434493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19146 + ... + 29587.

It is an arithmetic number, because the mean of its divisors is an integer number (33334056).

Almost surely, 2^254434993 is an apocalyptic number.

254434993 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

254434993 is a deficient number, since it is larger than the sum of its proper divisors (12237455).

254434993 is a wasteful number, since it uses less digits than its factorization.

254434993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48983.

The product of its digits is 466560, while the sum is 43.

The square root of 254434993 is about 15951.0185568195. The cubic root of 254434993 is about 633.6638721206.

The spelling of 254434993 in words is "two hundred fifty-four million, four hundred thirty-four thousand, nine hundred ninety-three".