451659 has 16 divisors (see below), whose sum is σ = 668192. Its totient is φ = 269568.

The previous prime is 451657. The next prime is 451663. The reversal of 451659 is 956154.

It is not a de Polignac number, because 451659 - 2¹ = 451657 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 (451657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1287 + ... + 1599.

It is an arithmetic number, because the mean of its divisors is an integer number (41762).

2⁴⁵¹⁶⁵⁹ is an apocalyptic number.

451659 is a deficient number, since it is larger than the sum of its proper divisors (216533).

451659 is a wasteful number, since it uses less digits than its factorization.

451659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366.

The product of its digits is 5400, while the sum is 30.

The square root of 451659 is about 672.0558012546. The cubic root of 451659 is about 76.7249986649.

The spelling of 451659 in words is "four hundred fifty-one thousand, six hundred fifty-nine".