452421403 has 8 divisors (see below), whose sum is σ = 517777920. Its totient is φ = 387246120.

The previous prime is 452421401. The next prime is 452421413. The reversal of 452421403 is 304124254.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 452421403 - 2¹ = 452421401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452421401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39913 + ... + 49978.

It is an arithmetic number, because the mean of its divisors is an integer number (64722240).

Almost surely, 2^452421403 is an apocalyptic number.

452421403 is a deficient number, since it is larger than the sum of its proper divisors (65356517).

452421403 is an equidigital number, since it uses as much as digits as its factorization.

452421403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90617.

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

The square root of 452421403 is about 21270.1998815244. The cubic root of 452421403 is about 767.6814514375.

Adding to 452421403 its reverse (304124254), we get a palindrome (756545657).

The spelling of 452421403 in words is "four hundred fifty-two million, four hundred twenty-one thousand, four hundred three".