65725223 has 8 divisors (see below), whose sum is σ = 69439680. Its totient is φ = 62107360.

The previous prime is 65725193. The next prime is 65725249. The reversal of 65725223 is 32252756.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65725223 - 2¹⁰ = 65724199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65725223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65725273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22748 + ... + 25473.

It is an arithmetic number, because the mean of its divisors is an integer number (8679960).

Almost surely, 2^65725223 is an apocalyptic number.

65725223 is a deficient number, since it is larger than the sum of its proper divisors (3714457).

65725223 is a wasteful number, since it uses less digits than its factorization.

65725223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48297.

The product of its digits is 25200, while the sum is 32.

The square root of 65725223 is about 8107.1094108813. The cubic root of 65725223 is about 403.5623937742.

Adding to 65725223 its reverse (32252756), we get a palindrome (97977979).

The spelling of 65725223 in words is "sixty-five million, seven hundred twenty-five thousand, two hundred twenty-three".