452003421 has 4 divisors (see below), whose sum is σ = 602671232. Its totient is φ = 301335612.

The previous prime is 452003389. The next prime is 452003437. The reversal of 452003421 is 124300254.

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 not a de Polignac number, because 452003421 - 2⁵ = 452003389 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 (452003441) 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, 75333901 + ... + 75333906.

It is an arithmetic number, because the mean of its divisors is an integer number (150667808).

Almost surely, 2^452003421 is an apocalyptic number.

It is an amenable number.

452003421 is a deficient number, since it is larger than the sum of its proper divisors (150667811).

452003421 is a wasteful number, since it uses less digits than its factorization.

452003421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150667810.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 452003421 is about 21260.3720804693. The cubic root of 452003421 is about 767.4449640285. Note that the first 3 decimals are identical.

Adding to 452003421 its reverse (124300254), we get a palindrome (576303675).

The spelling of 452003421 in words is "four hundred fifty-two million, three thousand, four hundred twenty-one".