454334021 has 4 divisors (see below), whose sum is σ = 457054752. Its totient is φ = 451613292.

The previous prime is 454334009. The next prime is 454334033. The reversal of 454334021 is 120433454.

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 an interprime number because it is at equal distance from previous prime (454334009) and next prime (454334033).

It is a cyclic number.

It is not a de Polignac number, because 454334021 - 2¹⁴ = 454317637 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 (454334051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1360115 + ... + 1360448.

It is an arithmetic number, because the mean of its divisors is an integer number (114263688).

Almost surely, 2^454334021 is an apocalyptic number.

It is an amenable number.

454334021 is a deficient number, since it is larger than the sum of its proper divisors (2720731).

454334021 is a wasteful number, since it uses less digits than its factorization.

454334021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720730.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 454334021 is about 21315.1125026353. The cubic root of 454334021 is about 768.7617253725.

Adding to 454334021 its reverse (120433454), we get a palindrome (574767475).

The spelling of 454334021 in words is "four hundred fifty-four million, three hundred thirty-four thousand, twenty-one".