2560201603 has 4 divisors (see below), whose sum is σ = 2560423608. Its totient is φ = 2559979600.

The previous prime is 2560201601. The next prime is 2560201621. The reversal of 2560201603 is 3061020652.

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 2560201603 - 2¹ = 2560201601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2560201601) 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, 92698 + ... + 117103.

It is an arithmetic number, because the mean of its divisors is an integer number (640105902).

Almost surely, 2^2560201603 is an apocalyptic number.

2560201603 is a deficient number, since it is larger than the sum of its proper divisors (222005).

2560201603 is a wasteful number, since it uses less digits than its factorization.

2560201603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222004.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2560201603 is about 50598.4347880446. The cubic root of 2560201603 is about 1368.0166664280.

The spelling of 2560201603 in words is "two billion, five hundred sixty million, two hundred one thousand, six hundred three".