2604452563 has 4 divisors (see below), whose sum is σ = 2608478640. Its totient is φ = 2600426488.

The previous prime is 2604452519. The next prime is 2604452573. The reversal of 2604452563 is 3652544062.

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 2604452563 - 2¹⁷ = 2604321491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2604452573) 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, 2012068 + ... + 2013361.

It is an arithmetic number, because the mean of its divisors is an integer number (652119660).

Almost surely, 2^2604452563 is an apocalyptic number.

2604452563 is a deficient number, since it is larger than the sum of its proper divisors (4026077).

2604452563 is an equidigital number, since it uses as much as digits as its factorization.

2604452563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026076.

The product of its (nonzero) digits is 172800, while the sum is 37.

The square root of 2604452563 is about 51033.8374316492. The cubic root of 2604452563 is about 1375.8533656714.

The spelling of 2604452563 in words is "two billion, six hundred four million, four hundred fifty-two thousand, five hundred sixty-three".