451641 has 8 divisors (see below), whose sum is σ = 606784. Its totient is φ = 298800.

The previous prime is 451637. The next prime is 451657. The reversal of 451641 is 146154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 451641 - 2² = 451637 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (451601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46 + ... + 951.

It is an arithmetic number, because the mean of its divisors is an integer number (75848).

2⁴⁵¹⁶⁴¹ is an apocalyptic number.

It is an amenable number.

451641 is a deficient number, since it is larger than the sum of its proper divisors (155143).

451641 is a wasteful number, since it uses less digits than its factorization.

451641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151.

The product of its digits is 480, while the sum is 21.

The square root of 451641 is about 672.0424093761. The cubic root of 451641 is about 76.7239794090.

Adding to 451641 its reverse (146154), we get a palindrome (597795).

The spelling of 451641 in words is "four hundred fifty-one thousand, six hundred forty-one".