2780052825 has 24 divisors (see below), whose sum is σ = 5014205856. Its totient is φ = 1347904000.

The previous prime is 2780052817. The next prime is 2780052827. The reversal of 2780052825 is 5282500872.

It is a happy number.

It is not a de Polignac number, because 2780052825 - 2³ = 2780052817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2780052827) 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 23 ways as a sum of consecutive naturals, for example, 1684056 + ... + 1685705.

It is an arithmetic number, because the mean of its divisors is an integer number (208925244).

Almost surely, 2^2780052825 is an apocalyptic number.

2780052825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2780052825 is a deficient number, since it is larger than the sum of its proper divisors (2234153031).

2780052825 is a wasteful number, since it uses less digits than its factorization.

2780052825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369785 (or 3369780 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 2780052825 is about 52726.2062450922. The cubic root of 2780052825 is about 1406.1047739410.

The spelling of 2780052825 in words is "two billion, seven hundred eighty million, fifty-two thousand, eight hundred twenty-five".