2545564603 has 4 divisors (see below), whose sum is σ = 2599725600. Its totient is φ = 2491403608.

The previous prime is 2545564579. The next prime is 2545564627. The reversal of 2545564603 is 3064655452.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2545564579) and next prime (2545564627).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2545564603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545564403) 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, 27080428 + ... + 27080521.

It is an arithmetic number, because the mean of its divisors is an integer number (649931400).

Almost surely, 2^2545564603 is an apocalyptic number.

2545564603 is a deficient number, since it is larger than the sum of its proper divisors (54160997).

2545564603 is an equidigital number, since it uses as much as digits as its factorization.

2545564603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54160996.

The product of its (nonzero) digits is 432000, while the sum is 40.

The square root of 2545564603 is about 50453.5886037852. The cubic root of 2545564603 is about 1365.4046402419.

The spelling of 2545564603 in words is "two billion, five hundred forty-five million, five hundred sixty-four thousand, six hundred three".