2805252775 has 24 divisors (see below), whose sum is σ = 3866946944. Its totient is φ = 2004739200.

The previous prime is 2805252761. The next prime is 2805252803. The reversal of 2805252775 is 5772525082.

2805252775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2805252775 - 2⁵ = 2805252743 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129144 + ... + 149293.

Almost surely, 2^2805252775 is an apocalyptic number.

2805252775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2805252775 is a deficient number, since it is larger than the sum of its proper divisors (1061694169).

2805252775 is a wasteful number, since it uses less digits than its factorization.

2805252775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278491 (or 278486 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 43.

The square root of 2805252775 is about 52964.6370232063. The cubic root of 2805252775 is about 1410.3405738009.

The spelling of 2805252775 in words is "two billion, eight hundred five million, two hundred fifty-two thousand, seven hundred seventy-five".