451463 has 4 divisors (see below), whose sum is σ = 452808. Its totient is φ = 450120.

The previous prime is 451441. The next prime is 451481. The reversal of 451463 is 364154.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 451463 - 2⁸ = 451207 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451663) 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 in 3 ways as a sum of consecutive naturals, for example, 320 + ... + 1002.

It is an arithmetic number, because the mean of its divisors is an integer number (113202).

2⁴⁵¹⁴⁶³ is an apocalyptic number.

451463 is a deficient number, since it is larger than the sum of its proper divisors (1345).

451463 is an equidigital number, since it uses as much as digits as its factorization.

451463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344.

The product of its digits is 1440, while the sum is 23.

The square root of 451463 is about 671.9099642065. The cubic root of 451463 is about 76.7138986421.

The spelling of 451463 in words is "four hundred fifty-one thousand, four hundred sixty-three".