2501782005 has 16 divisors (see below), whose sum is σ = 4140881280. Its totient is φ = 1288273728.

The previous prime is 2501781991. The next prime is 2501782007. The reversal of 2501782005 is 5002871052.

It is not a de Polignac number, because 2501782005 - 2⁸ = 2501781749 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501782007) 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, 2875177 + ... + 2876046.

It is an arithmetic number, because the mean of its divisors is an integer number (258805080).

Almost surely, 2^2501782005 is an apocalyptic number.

It is an amenable number.

2501782005 is a deficient number, since it is larger than the sum of its proper divisors (1639099275).

2501782005 is a wasteful number, since it uses less digits than its factorization.

2501782005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5751260.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 2501782005 is about 50017.8168755894. The cubic root of 2501782005 is about 1357.5312054255.

The spelling of 2501782005 in words is "two billion, five hundred one million, seven hundred eighty-two thousand, five".