64230565 has 16 divisors (see below), whose sum is σ = 88583040. Its totient is φ = 43796160.

The previous prime is 64230553. The next prime is 64230571. The reversal of 64230565 is 56503246.

It is not a de Polignac number, because 64230565 - 2¹⁹ = 63706277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1266 + ... + 11404.

It is an arithmetic number, because the mean of its divisors is an integer number (5536440).

Almost surely, 2^64230565 is an apocalyptic number.

It is an amenable number.

64230565 is a deficient number, since it is larger than the sum of its proper divisors (24352475).

64230565 is a wasteful number, since it uses less digits than its factorization.

64230565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10332.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 64230565 is about 8014.3973572565. The cubic root of 64230565 is about 400.4797680764.

The spelling of 64230565 in words is "sixty-four million, two hundred thirty thousand, five hundred sixty-five".