64618303 has 2 divisors, whose sum is σ = 64618304. Its totient is φ = 64618302.

The previous prime is 64618273. The next prime is 64618321. The reversal of 64618303 is 30381646.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64618303 - 2⁵ = 64618271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64618403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32309151 + 32309152.

It is an arithmetic number, because the mean of its divisors is an integer number (32309152).

Almost surely, 2^64618303 is an apocalyptic number.

64618303 is a deficient number, since it is larger than the sum of its proper divisors (1).

64618303 is an equidigital number, since it uses as much as digits as its factorization.

64618303 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 31.

The square root of 64618303 is about 8038.5510510290. The cubic root of 64618303 is about 401.2840051666.

Adding to 64618303 its reverse (30381646), we get a palindrome (94999949).

The spelling of 64618303 in words is "sixty-four million, six hundred eighteen thousand, three hundred three".