632530403 has 4 divisors (see below), whose sum is σ = 633313080. Its totient is φ = 631747728.

The previous prime is 632530343. The next prime is 632530421. The reversal of 632530403 is 304035236.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 632530403 - 2⁸ = 632530147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (632530433) 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, 390125 + ... + 391742.

It is an arithmetic number, because the mean of its divisors is an integer number (158328270).

Almost surely, 2^632530403 is an apocalyptic number.

632530403 is a deficient number, since it is larger than the sum of its proper divisors (782677).

632530403 is an equidigital number, since it uses as much as digits as its factorization.

632530403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782676.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 632530403 is about 25150.1571168055. The cubic root of 632530403 is about 858.4080894410.

Adding to 632530403 its reverse (304035236), we get a palindrome (936565639).

The spelling of 632530403 in words is "six hundred thirty-two million, five hundred thirty thousand, four hundred three".