64343603 has 2 divisors, whose sum is σ = 64343604. Its totient is φ = 64343602.

The previous prime is 64343567. The next prime is 64343621. The reversal of 64343603 is 30634346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64343603 - 2⁸ = 64343347 is a prime.

It is not a weakly prime, because it can be changed into another prime (64343203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32171801 + 32171802.

It is an arithmetic number, because the mean of its divisors is an integer number (32171802).

Almost surely, 2^64343603 is an apocalyptic number.

64343603 is a deficient number, since it is larger than the sum of its proper divisors (1).

64343603 is an equidigital number, since it uses as much as digits as its factorization.

64343603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 29.

The square root of 64343603 is about 8021.4464406365. The cubic root of 64343603 is about 400.7145623249.

Adding to 64343603 its reverse (30634346), we get a palindrome (94977949).

It can be divided in two parts, 64343 and 603, that added together give a palindrome (64946).

The spelling of 64343603 in words is "sixty-four million, three hundred forty-three thousand, six hundred three".