451427 has 4 divisors (see below), whose sum is σ = 453960. Its totient is φ = 448896.

The previous prime is 451411. The next prime is 451439. The reversal of 451427 is 724154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 451427 - 2⁴ = 451411 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 451427.

It is not an unprimeable number, because it can be changed into a prime (456427) 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, 977 + ... + 1362.

It is an arithmetic number, because the mean of its divisors is an integer number (113490).

2⁴⁵¹⁴²⁷ is an apocalyptic number.

451427 is a deficient number, since it is larger than the sum of its proper divisors (2533).

451427 is a wasteful number, since it uses less digits than its factorization.

451427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532.

The product of its digits is 1120, while the sum is 23.

The square root of 451427 is about 671.8831743689. The cubic root of 451427 is about 76.7118595132.

It can be divided in two parts, 451 and 427, that added together give a palindrome (878).

The spelling of 451427 in words is "four hundred fifty-one thousand, four hundred twenty-seven".