2830430561 has 12 divisors (see below), whose sum is σ = 3346521300. Its totient is φ = 2386308960.

The previous prime is 2830430557. The next prime is 2830430563. The reversal of 2830430561 is 1650340382.

It can be written as a sum of positive squares in 2 ways, for example, as 586608400 + 2243822161 = 24220^2 + 47369^2 .

It is not a de Polignac number, because 2830430561 - 2² = 2830430557 is a prime.

It is a super-2 number, since 2×2830430561² = 16022674321285549442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2830430563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 470486 + ... + 476463.

It is an arithmetic number, because the mean of its divisors is an integer number (278876775).

Almost surely, 2^2830430561 is an apocalyptic number.

It is an amenable number.

2830430561 is a deficient number, since it is larger than the sum of its proper divisors (516090739).

2830430561 is an equidigital number, since it uses as much as digits as its factorization.

2830430561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947024 (or 947017 counting only the distinct ones).

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

The square root of 2830430561 is about 53201.7909566962. The cubic root of 2830430561 is about 1414.5473896088.

The spelling of 2830430561 in words is "two billion, eight hundred thirty million, four hundred thirty thousand, five hundred sixty-one".