2565300403 has 4 divisors (see below), whose sum is σ = 2597772640. Its totient is φ = 2532828168.

The previous prime is 2565300389. The next prime is 2565300431. The reversal of 2565300403 is 3040035652.

2565300403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2565300403 - 2²⁵ = 2531745971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2565300433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16236000 + ... + 16236157.

It is an arithmetic number, because the mean of its divisors is an integer number (649443160).

Almost surely, 2^2565300403 is an apocalyptic number.

2565300403 is a deficient number, since it is larger than the sum of its proper divisors (32472237).

2565300403 is an equidigital number, since it uses as much as digits as its factorization.

2565300403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32472236.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 2565300403 is about 50648.7946845727. The cubic root of 2565300403 is about 1368.9242275024.

The spelling of 2565300403 in words is "two billion, five hundred sixty-five million, three hundred thousand, four hundred three".