664124303 has 2 divisors, whose sum is σ = 664124304. Its totient is φ = 664124302.

The previous prime is 664124299. The next prime is 664124393. The reversal of 664124303 is 303421466.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 664124303 - 2² = 664124299 is a prime.

It is a super-2 number, since 2×664124303² = 882122179670471618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (664124393) 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 as a sum of consecutive naturals, namely, 332062151 + 332062152.

It is an arithmetic number, because the mean of its divisors is an integer number (332062152).

Almost surely, 2^664124303 is an apocalyptic number.

664124303 is a deficient number, since it is larger than the sum of its proper divisors (1).

664124303 is an equidigital number, since it uses as much as digits as its factorization.

664124303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 664124303 is about 25770.6092865497. The cubic root of 664124303 is about 872.4685704997.

Adding to 664124303 its reverse (303421466), we get a palindrome (967545769).

The spelling of 664124303 in words is "six hundred sixty-four million, one hundred twenty-four thousand, three hundred three".