2113002061 has 2 divisors, whose sum is σ = 2113002062. Its totient is φ = 2113002060.

The previous prime is 2113002053. The next prime is 2113002091. The reversal of 2113002061 is 1602003112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1924489161 + 188512900 = 43869^2 + 13730^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113002061 - 2³ = 2113002053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113002011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056501030 + 1056501031.

It is an arithmetic number, because the mean of its divisors is an integer number (1056501031).

Almost surely, 2^2113002061 is an apocalyptic number.

It is an amenable number.

2113002061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113002061 is an equidigital number, since it uses as much as digits as its factorization.

2113002061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2113002061 is about 45967.4021563107. The cubic root of 2113002061 is about 1283.2166131135.

Adding to 2113002061 its reverse (1602003112), we get a palindrome (3715005173).

The spelling of 2113002061 in words is "two billion, one hundred thirteen million, two thousand, sixty-one".