2505828005 has 4 divisors (see below), whose sum is σ = 3006993612. Its totient is φ = 2004662400.

The previous prime is 2505828001. The next prime is 2505828007. The reversal of 2505828005 is 5008285052.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1164583876 + 1341244129 = 34126^2 + 36623^2 .

It is not a de Polignac number, because 2505828005 - 2² = 2505828001 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 (2505828001) 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, 250582796 + ... + 250582805.

It is an arithmetic number, because the mean of its divisors is an integer number (751748403).

Almost surely, 2^2505828005 is an apocalyptic number.

It is an amenable number.

2505828005 is a deficient number, since it is larger than the sum of its proper divisors (501165607).

2505828005 is an equidigital number, since it uses as much as digits as its factorization.

2505828005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501165606.

The product of its (nonzero) digits is 32000, while the sum is 35.

The square root of 2505828005 is about 50058.2461238905. The cubic root of 2505828005 is about 1358.2626324583.

The spelling of 2505828005 in words is "two billion, five hundred five million, eight hundred twenty-eight thousand, five".