254505421 has 8 divisors (see below), whose sum is σ = 263894400. Its totient is φ = 245157360.

The previous prime is 254505403. The next prime is 254505451. The reversal of 254505421 is 124505452.

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 254505421 - 2⁵ = 254505389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 254505421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254505401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2736 + ... + 22726.

It is an arithmetic number, because the mean of its divisors is an integer number (32986800).

Almost surely, 2^254505421 is an apocalyptic number.

It is an amenable number.

254505421 is a deficient number, since it is larger than the sum of its proper divisors (9388979).

254505421 is a wasteful number, since it uses less digits than its factorization.

254505421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20459.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 254505421 is about 15953.2260373882. The cubic root of 254505421 is about 633.7223331072.

The spelling of 254505421 in words is "two hundred fifty-four million, five hundred five thousand, four hundred twenty-one".