2187113 has 2 divisors, whose sum is σ = 2187114. Its totient is φ = 2187112.

The previous prime is 2187103. The next prime is 2187121. The reversal of 2187113 is 3117812.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1708249 + 478864 = 1307^2 + 692^2 .

It is a cyclic number.

It is not a de Polignac number, because 2187113 - 2⁶ = 2187049 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2187103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1093556 + 1093557.

It is an arithmetic number, because the mean of its divisors is an integer number (1093557).

2^2187113 is an apocalyptic number.

It is an amenable number.

2187113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2187113 is an equidigital number, since it uses as much as digits as its factorization.

2187113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 23.

The square root of 2187113 is about 1478.8891101093. The cubic root of 2187113 is about 129.8046968749.

The spelling of 2187113 in words is "two million, one hundred eighty-seven thousand, one hundred thirteen".