2565723230 has 16 divisors (see below), whose sum is σ = 5278059360. Its totient is φ = 879676512.

The previous prime is 2565723229. The next prime is 2565723241. The reversal of 2565723230 is 323275652.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18326525 + ... + 18326664.

It is an arithmetic number, because the mean of its divisors is an integer number (329878710).

Almost surely, 2^2565723230 is an apocalyptic number.

2565723230 is an abundant number, since it is smaller than the sum of its proper divisors (2712336130).

2565723230 is a wasteful number, since it uses less digits than its factorization.

2565723230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36653203.

The product of its (nonzero) digits is 75600, while the sum is 35.

The square root of 2565723230 is about 50652.9686198154. The cubic root of 2565723230 is about 1368.9994345912. Note that the first 3 decimals are identical.

Adding to 2565723230 its reverse (323275652), we get a palindrome (2888998882).

The spelling of 2565723230 in words is "two billion, five hundred sixty-five million, seven hundred twenty-three thousand, two hundred thirty".