451954 has 4 divisors (see below), whose sum is σ = 677934. Its totient is φ = 225976.

The previous prime is 451939. The next prime is 451961. The reversal of 451954 is 459154.

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

It can be written as a sum of positive squares in only one way, i.e., 332929 + 119025 = 577^2 + 345^2 .

It is an unprimeable number.

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, 112987 + ... + 112990.

2⁴⁵¹⁹⁵⁴ is an apocalyptic number.

451954 is a deficient number, since it is larger than the sum of its proper divisors (225980).

451954 is a wasteful number, since it uses less digits than its factorization.

451954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225979.

The product of its digits is 3600, while the sum is 28.

The square root of 451954 is about 672.2752412517. The cubic root of 451954 is about 76.7416992795.

Adding to 451954 its product of digits (3600), we get a palindrome (455554).

The spelling of 451954 in words is "four hundred fifty-one thousand, nine hundred fifty-four".