2563004405 has 16 divisors (see below), whose sum is σ = 3507026544. Its totient is φ = 1781345280.

The previous prime is 2563004401. The next prime is 2563004441. The reversal of 2563004405 is 5044003652.

It can be written as a sum of positive squares in 8 ways, for example, as 103042801 + 2459961604 = 10151^2 + 49598^2 .

It is not a de Polignac number, because 2563004405 - 2² = 2563004401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563004401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1158626 + ... + 1160835.

It is an arithmetic number, because the mean of its divisors is an integer number (219189159).

Almost surely, 2^2563004405 is an apocalyptic number.

It is an amenable number.

2563004405 is a deficient number, since it is larger than the sum of its proper divisors (944022139).

2563004405 is a wasteful number, since it uses less digits than its factorization.

2563004405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319496.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2563004405 is about 50626.1237406144. The cubic root of 2563004405 is about 1368.5157002399.

The spelling of 2563004405 in words is "two billion, five hundred sixty-three million, four thousand, four hundred five".