64601063 has 4 divisors (see below), whose sum is σ = 64742880. Its totient is φ = 64459248.

The previous prime is 64601059. The next prime is 64601099. The reversal of 64601063 is 36010646.

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 64601063 - 2² = 64601059 is a prime.

It is a super-3 number, since 3×64601063³ (a number of 24 digits) contains 333 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 (64601263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70223 + ... + 71136.

It is an arithmetic number, because the mean of its divisors is an integer number (16185720).

Almost surely, 2^64601063 is an apocalyptic number.

64601063 is a deficient number, since it is larger than the sum of its proper divisors (141817).

64601063 is a wasteful number, since it uses less digits than its factorization.

64601063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141816.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 64601063 is about 8037.4786469390. The cubic root of 64601063 is about 401.2483148061.

The spelling of 64601063 in words is "sixty-four million, six hundred one thousand, sixty-three".