454891 has 2 divisors, whose sum is σ = 454892. Its totient is φ = 454890.

The previous prime is 454889. The next prime is 454907. The reversal of 454891 is 198454.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454891 - 2¹ = 454889 is a prime.

Together with 454889, it forms a pair of twin primes.

It is a Chen prime.

454891 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (454991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227445 + 227446.

It is an arithmetic number, because the mean of its divisors is an integer number (227446).

2⁴⁵⁴⁸⁹¹ is an apocalyptic number.

454891 is a deficient number, since it is larger than the sum of its proper divisors (1).

454891 is an equidigital number, since it uses as much as digits as its factorization.

454891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 31.

The square root of 454891 is about 674.4560771466. The cubic root of 454891 is about 76.9075744914.

The spelling of 454891 in words is "four hundred fifty-four thousand, eight hundred ninety-one".