64947353 has 2 divisors, whose sum is σ = 64947354. Its totient is φ = 64947352.

The previous prime is 64947349. The next prime is 64947383. The reversal of 64947353 is 35374946.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55995289 + 8952064 = 7483^2 + 2992^2 .

It is a cyclic number.

It is not a de Polignac number, because 64947353 - 2² = 64947349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64947353.

It is not a weakly prime, because it can be changed into another prime (64947383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32473676 + 32473677.

It is an arithmetic number, because the mean of its divisors is an integer number (32473677).

Almost surely, 2^64947353 is an apocalyptic number.

It is an amenable number.

64947353 is a deficient number, since it is larger than the sum of its proper divisors (1).

64947353 is an equidigital number, since it uses as much as digits as its factorization.

64947353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 41.

The square root of 64947353 is about 8058.9920585641. The cubic root of 64947353 is about 401.9639931282.

The spelling of 64947353 in words is "sixty-four million, nine hundred forty-seven thousand, three hundred fifty-three".