2775280025 has 12 divisors (see below), whose sum is σ = 3932968512. Its totient is φ = 1903049040.

The previous prime is 2775279989. The next prime is 2775280043. The reversal of 2775280025 is 5200825772.

It is not a de Polignac number, because 2775280025 - 2⁸ = 2775279769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7929197 + ... + 7929546.

It is an arithmetic number, because the mean of its divisors is an integer number (327747376).

Almost surely, 2^2775280025 is an apocalyptic number.

2775280025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2775280025 is a deficient number, since it is larger than the sum of its proper divisors (1157688487).

2775280025 is a wasteful number, since it uses less digits than its factorization.

2775280025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15858760 (or 15858755 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 2775280025 is about 52680.9265768931. The cubic root of 2775280025 is about 1405.2996452290.

The spelling of 2775280025 in words is "two billion, seven hundred seventy-five million, two hundred eighty thousand, twenty-five".