64342241 has 2 divisors, whose sum is σ = 64342242. Its totient is φ = 64342240.

The previous prime is 64342237. The next prime is 64342253. The reversal of 64342241 is 14224346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55815841 + 8526400 = 7471^2 + 2920^2 .

It is a cyclic number.

It is not a de Polignac number, because 64342241 - 2² = 64342237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64342241.

It is not a weakly prime, because it can be changed into another prime (64342541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32171120 + 32171121.

It is an arithmetic number, because the mean of its divisors is an integer number (32171121).

Almost surely, 2^64342241 is an apocalyptic number.

It is an amenable number.

64342241 is a deficient number, since it is larger than the sum of its proper divisors (1).

64342241 is an equidigital number, since it uses as much as digits as its factorization.

64342241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 26.

The square root of 64342241 is about 8021.3615427806. The cubic root of 64342241 is about 400.7117349157.

Adding to 64342241 its reverse (14224346), we get a palindrome (78566587).

The spelling of 64342241 in words is "sixty-four million, three hundred forty-two thousand, two hundred forty-one".