454420213 has 6 divisors (see below), whose sum is σ = 492064674. Its totient is φ = 419464656.

The previous prime is 454420163. The next prime is 454420249. The reversal of 454420213 is 312024454.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 815409 + 453604804 = 903^2 + 21298^2 .

It is a de Polignac number, because none of the positive numbers 2^k-454420213 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 (454420313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1344270 + ... + 1344607.

It is an arithmetic number, because the mean of its divisors is an integer number (82010779).

Almost surely, 2^454420213 is an apocalyptic number.

It is an amenable number.

454420213 is a deficient number, since it is larger than the sum of its proper divisors (37644461).

454420213 is a wasteful number, since it uses less digits than its factorization.

454420213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688903 (or 2688890 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 454420213 is about 21317.1342586193. The cubic root of 454420213 is about 768.8103363928.

Adding to 454420213 its reverse (312024454), we get a palindrome (766444667).

The spelling of 454420213 in words is "four hundred fifty-four million, four hundred twenty thousand, two hundred thirteen".