64248313 has 2 divisors, whose sum is σ = 64248314. Its totient is φ = 64248312.

The previous prime is 64248293. The next prime is 64248323. The reversal of 64248313 is 31384246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64192144 + 56169 = 8012^2 + 237^2 .

It is a cyclic number.

It is not a de Polignac number, because 64248313 - 2⁹ = 64247801 is a prime.

It is not a weakly prime, because it can be changed into another prime (64248323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32124156 + 32124157.

It is an arithmetic number, because the mean of its divisors is an integer number (32124157).

Almost surely, 2^64248313 is an apocalyptic number.

It is an amenable number.

64248313 is a deficient number, since it is larger than the sum of its proper divisors (1).

64248313 is an equidigital number, since it uses as much as digits as its factorization.

64248313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

The square root of 64248313 is about 8015.5045380812. The cubic root of 64248313 is about 400.5166511417.

The spelling of 64248313 in words is "sixty-four million, two hundred forty-eight thousand, three hundred thirteen".