254421099 has 12 divisors (see below), whose sum is σ = 389114856. Its totient is φ = 159636672.

The previous prime is 254421091. The next prime is 254421103. The reversal of 254421099 is 990124452.

254421099 is a `hidden beast` number, since 2 + 544 + 2 + 109 + 9 = 666.

254421099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 254421099 - 2³ = 254421091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (254421091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 831289 + ... + 831594.

It is an arithmetic number, because the mean of its divisors is an integer number (32426238).

Almost surely, 2^254421099 is an apocalyptic number.

254421099 is a deficient number, since it is larger than the sum of its proper divisors (134693757).

254421099 is a wasteful number, since it uses less digits than its factorization.

254421099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662906 (or 1662903 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 254421099 is about 15950.5830300964. The cubic root of 254421099 is about 633.6523376929.

The spelling of 254421099 in words is "two hundred fifty-four million, four hundred twenty-one thousand, ninety-nine".