254214891 has 36 divisors (see below), whose sum is σ = 429003432. Its totient is φ = 144635904.

The previous prime is 254214887. The next prime is 254214913. The reversal of 254214891 is 198412452.

It is not a de Polignac number, because 254214891 - 2² = 254214887 is a prime.

It is a super-2 number, since 2×254214891² = 129250421612283762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (254214881) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 112216 + ... + 114458.

It is an arithmetic number, because the mean of its divisors is an integer number (11916762).

Almost surely, 2^254214891 is an apocalyptic number.

254214891 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

254214891 is a deficient number, since it is larger than the sum of its proper divisors (174788541).

254214891 is a wasteful number, since it uses less digits than its factorization.

254214891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520 (or 2510 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 254214891 is about 15944.1177554608. The cubic root of 254214891 is about 633.4810999316.

The spelling of 254214891 in words is "two hundred fifty-four million, two hundred fourteen thousand, eight hundred ninety-one".