64232585 has 4 divisors (see below), whose sum is σ = 77079108. Its totient is φ = 51386064.

The previous prime is 64232561. The next prime is 64232591. The reversal of 64232585 is 58523246.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58523246 = 2 ⋅29261623.

It can be written as a sum of positive squares in 2 ways, for example, as 7997584 + 56235001 = 2828^2 + 7499^2 .

It is a cyclic number.

It is not a de Polignac number, because 64232585 - 2¹⁶ = 64167049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6423254 + ... + 6423263.

It is an arithmetic number, because the mean of its divisors is an integer number (19269777).

Almost surely, 2^64232585 is an apocalyptic number.

It is an amenable number.

64232585 is a deficient number, since it is larger than the sum of its proper divisors (12846523).

64232585 is a wasteful number, since it uses less digits than its factorization.

64232585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12846522.

The product of its digits is 57600, while the sum is 35.

The square root of 64232585 is about 8014.5233794656. The cubic root of 64232585 is about 400.4839662888.

The spelling of 64232585 in words is "sixty-four million, two hundred thirty-two thousand, five hundred eighty-five".