451213 has 8 divisors (see below), whose sum is σ = 523328. Its totient is φ = 381024.

The previous prime is 451207. The next prime is 451249. The reversal of 451213 is 312154.

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

It is not a de Polignac number, because 451213 - 2⁵ = 451181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451013) 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, 70 + ... + 952.

It is an arithmetic number, because the mean of its divisors is an integer number (65416).

2⁴⁵¹²¹³ is an apocalyptic number.

It is an amenable number.

451213 is a deficient number, since it is larger than the sum of its proper divisors (72115).

451213 is an equidigital number, since it uses as much as digits as its factorization.

451213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963.

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

The square root of 451213 is about 671.7239016143. The cubic root of 451213 is about 76.6997357865.

Adding to 451213 its reverse (312154), we get a palindrome (763367).

The spelling of 451213 in words is "four hundred fifty-one thousand, two hundred thirteen".