64500083 has 2 divisors, whose sum is σ = 64500084. Its totient is φ = 64500082.

The previous prime is 64500071. The next prime is 64500097. The reversal of 64500083 is 38000546.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64500083 - 2¹⁰ = 64499059 is a prime.

It is not a weakly prime, because it can be changed into another prime (64500283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32250041 + 32250042.

It is an arithmetic number, because the mean of its divisors is an integer number (32250042).

Almost surely, 2^64500083 is an apocalyptic number.

64500083 is a deficient number, since it is larger than the sum of its proper divisors (1).

64500083 is an equidigital number, since it uses as much as digits as its factorization.

64500083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 64500083 is about 8031.1943694571. The cubic root of 64500083 is about 401.0391377276.

The spelling of 64500083 in words is "sixty-four million, five hundred thousand, eighty-three".