633130403 has 2 divisors, whose sum is σ = 633130404. Its totient is φ = 633130402.

The previous prime is 633130397. The next prime is 633130423. The reversal of 633130403 is 304031336.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 633130403 - 2¹⁴ = 633114019 is a prime.

It is not a weakly prime, because it can be changed into another prime (633130423) 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 as a sum of consecutive naturals, namely, 316565201 + 316565202.

It is an arithmetic number, because the mean of its divisors is an integer number (316565202).

Almost surely, 2^633130403 is an apocalyptic number.

633130403 is a deficient number, since it is larger than the sum of its proper divisors (1).

633130403 is an equidigital number, since it uses as much as digits as its factorization.

633130403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 633130403 is about 25162.0826443282. The cubic root of 633130403 is about 858.6794240071.

Adding to 633130403 its reverse (304031336), we get a palindrome (937161739).

The spelling of 633130403 in words is "six hundred thirty-three million, one hundred thirty thousand, four hundred three".