64522063 has 4 divisors (see below), whose sum is σ = 65247120. Its totient is φ = 63797008.

The previous prime is 64522049. The next prime is 64522099. The reversal of 64522063 is 36022546.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64522063 - 2⁹ = 64521551 is a prime.

It is a super-2 number, since 2×64522063² = 8326193227551938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64522663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362395 + ... + 362572.

It is an arithmetic number, because the mean of its divisors is an integer number (16311780).

Almost surely, 2^64522063 is an apocalyptic number.

64522063 is a deficient number, since it is larger than the sum of its proper divisors (725057).

64522063 is an equidigital number, since it uses as much as digits as its factorization.

64522063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725056.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 64522063 is about 8032.5626670447. The cubic root of 64522063 is about 401.0846872253.

It can be divided in two parts, 6452 and 2063, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 64522063 in words is "sixty-four million, five hundred twenty-two thousand, sixty-three".