452138603 has 4 divisors (see below), whose sum is σ = 516729840. Its totient is φ = 387547368.

The previous prime is 452138581. The next prime is 452138641. The reversal of 452138603 is 306831254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306831254 = 2 ⋅153415627.

It is a cyclic number.

It is not a de Polignac number, because 452138603 - 2⁶ = 452138539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 452138603.

It is not an unprimeable number, because it can be changed into a prime (452138303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32295608 + ... + 32295621.

It is an arithmetic number, because the mean of its divisors is an integer number (129182460).

Almost surely, 2^452138603 is an apocalyptic number.

452138603 is a deficient number, since it is larger than the sum of its proper divisors (64591237).

452138603 is an equidigital number, since it uses as much as digits as its factorization.

452138603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64591236.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 452138603 is about 21263.5510439813. The cubic root of 452138603 is about 767.5214637477.

Adding to 452138603 its reverse (306831254), we get a palindrome (758969857).

The spelling of 452138603 in words is "four hundred fifty-two million, one hundred thirty-eight thousand, six hundred three".