451859 has 2 divisors, whose sum is σ = 451860. Its totient is φ = 451858.

The previous prime is 451837. The next prime is 451873. The reversal of 451859 is 958154.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451859 is a prime.

It is not a weakly prime, because it can be changed into another prime (451879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225929 + 225930.

It is an arithmetic number, because the mean of its divisors is an integer number (225930).

2⁴⁵¹⁸⁵⁹ is an apocalyptic number.

451859 is a deficient number, since it is larger than the sum of its proper divisors (1).

451859 is an equidigital number, since it uses as much as digits as its factorization.

451859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 32.

The square root of 451859 is about 672.2045819540. The cubic root of 451859 is about 76.7363219090.

The spelling of 451859 in words is "four hundred fifty-one thousand, eight hundred fifty-nine".