64832861 has 2 divisors, whose sum is σ = 64832862. Its totient is φ = 64832860.

The previous prime is 64832839. The next prime is 64832909. The reversal of 64832861 is 16823846.

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., 62900761 + 1932100 = 7931^2 + 1390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64832861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64832821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32416430 + 32416431.

It is an arithmetic number, because the mean of its divisors is an integer number (32416431).

Almost surely, 2^64832861 is an apocalyptic number.

It is an amenable number.

64832861 is a deficient number, since it is larger than the sum of its proper divisors (1).

64832861 is an equidigital number, since it uses as much as digits as its factorization.

64832861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 38.

The square root of 64832861 is about 8051.8855555702. The cubic root of 64832861 is about 401.7276543662.

The spelling of 64832861 in words is "sixty-four million, eight hundred thirty-two thousand, eight hundred sixty-one".