451006 has 4 divisors (see below), whose sum is σ = 676512. Its totient is φ = 225502.

The previous prime is 450997. The next prime is 451013. The reversal of 451006 is 600154.

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

It is a congruent number.

It is an unprimeable number.

451006 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112750 + ... + 112753.

It is an arithmetic number, because the mean of its divisors is an integer number (169128).

2⁴⁵¹⁰⁰⁶ is an apocalyptic number.

451006 is a deficient number, since it is larger than the sum of its proper divisors (225506).

451006 is a wasteful number, since it uses less digits than its factorization.

451006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225505.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 451006 is about 671.5698027756. The cubic root of 451006 is about 76.6880049825.

The spelling of 451006 in words is "four hundred fifty-one thousand, six".