2565441203 has 8 divisors (see below), whose sum is σ = 2814911568. Its totient is φ = 2323417824.

The previous prime is 2565441191. The next prime is 2565441233. The reversal of 2565441203 is 3021445652.

2565441203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2565441203 - 2⁴ = 2565441187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2565441203.

It is not an unprimeable number, because it can be changed into a prime (2565441233) 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, 1861025 + ... + 1862402.

It is an arithmetic number, because the mean of its divisors is an integer number (351863946).

Almost surely, 2^2565441203 is an apocalyptic number.

2565441203 is a deficient number, since it is larger than the sum of its proper divisors (249470365).

2565441203 is a wasteful number, since it uses less digits than its factorization.

2565441203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723493.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2565441203 is about 50650.1846294759. The cubic root of 2565441203 is about 1368.9492721332.

Adding to 2565441203 its reverse (3021445652), we get a palindrome (5586886855).

The spelling of 2565441203 in words is "two billion, five hundred sixty-five million, four hundred forty-one thousand, two hundred three".