64674241 has 2 divisors, whose sum is σ = 64674242. Its totient is φ = 64674240.

The previous prime is 64674227. The next prime is 64674289. The reversal of 64674241 is 14247646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33593616 + 31080625 = 5796^2 + 5575^2 .

It is a cyclic number.

It is not a de Polignac number, because 64674241 - 2²³ = 56285633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64674197 and 64674206.

It is not a weakly prime, because it can be changed into another prime (64674221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32337120 + 32337121.

It is an arithmetic number, because the mean of its divisors is an integer number (32337121).

Almost surely, 2^64674241 is an apocalyptic number.

It is an amenable number.

64674241 is a deficient number, since it is larger than the sum of its proper divisors (1).

64674241 is an equidigital number, since it uses as much as digits as its factorization.

64674241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 34.

The square root of 64674241 is about 8042.0296567471. The cubic root of 64674241 is about 401.3997646833.

The spelling of 64674241 in words is "sixty-four million, six hundred seventy-four thousand, two hundred forty-one".