2505002775 has 24 divisors (see below), whose sum is σ = 4518115584. Its totient is φ = 1214546400.

The previous prime is 2505002743. The next prime is 2505002779. The reversal of 2505002775 is 5772005052.

It is not a de Polignac number, because 2505002775 - 2⁵ = 2505002743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505002779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1517359 + ... + 1519008.

It is an arithmetic number, because the mean of its divisors is an integer number (188254816).

Almost surely, 2^2505002775 is an apocalyptic number.

2505002775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2505002775 is a deficient number, since it is larger than the sum of its proper divisors (2013112809).

2505002775 is a wasteful number, since it uses less digits than its factorization.

2505002775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036391 (or 3036386 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 33.

The square root of 2505002775 is about 50050.0027472527. The cubic root of 2505002775 is about 1358.1135131337.

The spelling of 2505002775 in words is "two billion, five hundred five million, two thousand, seven hundred seventy-five".