64341817 has 2 divisors, whose sum is σ = 64341818. Its totient is φ = 64341816.

The previous prime is 64341799. The next prime is 64341839. The reversal of 64341817 is 71814346.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59969536 + 4372281 = 7744^2 + 2091^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64341817 is a prime.

It is a super-2 number, since 2×64341817² = 8279738829722978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64341877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32170908 + 32170909.

It is an arithmetic number, because the mean of its divisors is an integer number (32170909).

Almost surely, 2^64341817 is an apocalyptic number.

It is an amenable number.

64341817 is a deficient number, since it is larger than the sum of its proper divisors (1).

64341817 is an equidigital number, since it uses as much as digits as its factorization.

64341817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 64341817 is about 8021.3351133088. The cubic root of 64341817 is about 400.7108547156.

The spelling of 64341817 in words is "sixty-four million, three hundred forty-one thousand, eight hundred seventeen".