2082521830 has 16 divisors (see below), whose sum is σ = 3759668640. Its totient is φ = 830535552.

The previous prime is 2082521827. The next prime is 2082521839. The reversal of 2082521830 is 381252802.

It is a junction number, because it is equal to n+sod(n) for n = 2082521792 and 2082521801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2082521839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305610 + ... + 312349.

It is an arithmetic number, because the mean of its divisors is an integer number (234979290).

Almost surely, 2^2082521830 is an apocalyptic number.

2082521830 is a deficient number, since it is larger than the sum of its proper divisors (1677146810).

2082521830 is a wasteful number, since it uses less digits than its factorization.

2082521830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618303.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 2082521830 is about 45634.6560193018. The cubic root of 2082521830 is about 1277.0165357441.

The spelling of 2082521830 in words is "two billion, eighty-two million, five hundred twenty-one thousand, eight hundred thirty".