64204313 has 2 divisors, whose sum is σ = 64204314. Its totient is φ = 64204312.

The previous prime is 64204277. The next prime is 64204321. The reversal of 64204313 is 31340246.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61653904 + 2550409 = 7852^2 + 1597^2 .

It is a cyclic number.

It is not a de Polignac number, because 64204313 - 2¹⁶ = 64138777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (64204373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32102156 + 32102157.

It is an arithmetic number, because the mean of its divisors is an integer number (32102157).

Almost surely, 2^64204313 is an apocalyptic number.

It is an amenable number.

64204313 is a deficient number, since it is larger than the sum of its proper divisors (1).

64204313 is an equidigital number, since it uses as much as digits as its factorization.

64204313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 64204313 is about 8012.7593873771. The cubic root of 64204313 is about 400.4251999357.

Adding to 64204313 its reverse (31340246), we get a palindrome (95544559).

The spelling of 64204313 in words is "sixty-four million, two hundred four thousand, three hundred thirteen".