2081332625 has 16 divisors (see below), whose sum is σ = 2605850832. Its totient is φ = 1659715200.

The previous prime is 2081332609. The next prime is 2081332679. The reversal of 2081332625 is 5262331802.

It can be written as a sum of positive squares in 8 ways, for example, as 1186664704 + 894667921 = 34448^2 + 29911^2 .

It is not a de Polignac number, because 2081332625 - 2⁴ = 2081332609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2081332591 and 2081332600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12527 + ... + 65723.

It is an arithmetic number, because the mean of its divisors is an integer number (162865677).

Almost surely, 2^2081332625 is an apocalyptic number.

2081332625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2081332625 is a deficient number, since it is larger than the sum of its proper divisors (524518207).

2081332625 is an equidigital number, since it uses as much as digits as its factorization.

2081332625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53525 (or 53515 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2081332625 is about 45621.6245326709. The cubic root of 2081332625 is about 1276.7734132653.

The spelling of 2081332625 in words is "two billion, eighty-one million, three hundred thirty-two thousand, six hundred twenty-five".