254812891 has 4 divisors (see below), whose sum is σ = 254989000. Its totient is φ = 254636784.

The previous prime is 254812867. The next prime is 254812919. The reversal of 254812891 is 198218452.

254812891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 254812891 - 2⁹ = 254812379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254812801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85866 + ... + 88783.

It is an arithmetic number, because the mean of its divisors is an integer number (63747250).

Almost surely, 2^254812891 is an apocalyptic number.

254812891 is a deficient number, since it is larger than the sum of its proper divisors (176109).

254812891 is a wasteful number, since it uses less digits than its factorization.

254812891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176108.

The product of its digits is 46080, while the sum is 40.

The square root of 254812891 is about 15962.8597375282. The cubic root of 254812891 is about 633.9774320500.

The spelling of 254812891 in words is "two hundred fifty-four million, eight hundred twelve thousand, eight hundred ninety-one".