1454891 has 2 divisors, whose sum is σ = 1454892. Its totient is φ = 1454890.

The previous prime is 1454863. The next prime is 1454897. The reversal of 1454891 is 1984541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1454891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1454897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727445 + 727446.

It is an arithmetic number, because the mean of its divisors is an integer number (727446).

2^1454891 is an apocalyptic number.

1454891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1454891 is an equidigital number, since it uses as much as digits as its factorization.

1454891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 32.

The square root of 1454891 is about 1206.1886253816. The cubic root of 1454891 is about 113.3122384806.

The spelling of 1454891 in words is "one million, four hundred fifty-four thousand, eight hundred ninety-one".