254383921 has 16 divisors (see below), whose sum is σ = 281346048. Its totient is φ = 228085200.

The previous prime is 254383907. The next prime is 254383931. The reversal of 254383921 is 129383452.

It is a cyclic number.

It is not a de Polignac number, because 254383921 - 2⁷ = 254383793 is a prime.

It is a super-2 number, since 2×254383921² = 129422358526668482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254383931) 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, 294336 + ... + 295198.

It is an arithmetic number, because the mean of its divisors is an integer number (17584128).

Almost surely, 2^254383921 is an apocalyptic number.

It is an amenable number.

254383921 is a deficient number, since it is larger than the sum of its proper divisors (26962127).

254383921 is a wasteful number, since it uses less digits than its factorization.

254383921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212.

The product of its digits is 51840, while the sum is 37.

The square root of 254383921 is about 15949.4175755731. The cubic root of 254383921 is about 633.6214714449.

The spelling of 254383921 in words is "two hundred fifty-four million, three hundred eighty-three thousand, nine hundred twenty-one".