2820615275 has 6 divisors (see below), whose sum is σ = 3497562972. Its totient is φ = 2256492200.

The previous prime is 2820615269. The next prime is 2820615319. The reversal of 2820615275 is 5725160282.

2820615275 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 2820615275 - 2⁸ = 2820615019 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56412281 + ... + 56412330.

It is an arithmetic number, because the mean of its divisors is an integer number (582927162).

Almost surely, 2^2820615275 is an apocalyptic number.

2820615275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2820615275 is a deficient number, since it is larger than the sum of its proper divisors (676947697).

2820615275 is a wasteful number, since it uses less digits than its factorization.

2820615275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112824621 (or 112824616 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 2820615275 is about 53109.4650227245. The cubic root of 2820615275 is about 1412.9103869287.

The spelling of 2820615275 in words is "two billion, eight hundred twenty million, six hundred fifteen thousand, two hundred seventy-five".