2582505803 has 4 divisors (see below), whose sum is σ = 2694788688. Its totient is φ = 2470222920.

The previous prime is 2582505799. The next prime is 2582505811. The reversal of 2582505803 is 3085052852.

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 2582505803 - 2² = 2582505799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2582505203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56141408 + ... + 56141453.

It is an arithmetic number, because the mean of its divisors is an integer number (673697172).

Almost surely, 2^2582505803 is an apocalyptic number.

2582505803 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2582505803 is a deficient number, since it is larger than the sum of its proper divisors (112282885).

2582505803 is a wasteful number, since it uses less digits than its factorization.

2582505803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112282884.

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 2582505803 is about 50818.3608846252. The cubic root of 2582505803 is about 1371.9778566226.

The spelling of 2582505803 in words is "two billion, five hundred eighty-two million, five hundred five thousand, eight hundred three".