64862243 has 2 divisors, whose sum is σ = 64862244. Its totient is φ = 64862242.

The previous prime is 64862227. The next prime is 64862267. The reversal of 64862243 is 34226846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64862243 - 2⁴ = 64862227 is a prime.

It is a super-2 number, since 2×64862243² = 8414221133982098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64852243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32431121 + 32431122.

It is an arithmetic number, because the mean of its divisors is an integer number (32431122).

Almost surely, 2^64862243 is an apocalyptic number.

64862243 is a deficient number, since it is larger than the sum of its proper divisors (1).

64862243 is an equidigital number, since it uses as much as digits as its factorization.

64862243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 35.

The square root of 64862243 is about 8053.7098904790. The cubic root of 64862243 is about 401.7883323367.

The spelling of 64862243 in words is "sixty-four million, eight hundred sixty-two thousand, two hundred forty-three".