454478213 has 4 divisors (see below), whose sum is σ = 519403680. Its totient is φ = 389552748.

The previous prime is 454478207. The next prime is 454478251. The reversal of 454478213 is 312874454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 454478213 - 2¹² = 454474117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454478273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32462723 + ... + 32462736.

It is an arithmetic number, because the mean of its divisors is an integer number (129850920).

Almost surely, 2^454478213 is an apocalyptic number.

It is an amenable number.

454478213 is a deficient number, since it is larger than the sum of its proper divisors (64925467).

454478213 is an equidigital number, since it uses as much as digits as its factorization.

454478213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64925466.

The product of its digits is 107520, while the sum is 38.

The square root of 454478213 is about 21318.4946232139. The cubic root of 454478213 is about 768.8430440800.

The spelling of 454478213 in words is "four hundred fifty-four million, four hundred seventy-eight thousand, two hundred thirteen".