3242543237 has 2 divisors, whose sum is σ = 3242543238. Its totient is φ = 3242543236.

The previous prime is 3242543209. The next prime is 3242543327. The reversal of 3242543237 is 7323452423.

Together with next prime (3242543327) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2164668676 + 1077874561 = 46526^2 + 32831^2 .

It is a cyclic number.

It is not a de Polignac number, because 3242543237 - 2²⁰ = 3241494661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3242543197 and 3242543206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3242545237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621271618 + 1621271619.

It is an arithmetic number, because the mean of its divisors is an integer number (1621271619).

Almost surely, 2^3242543237 is an apocalyptic number.

It is an amenable number.

3242543237 is a deficient number, since it is larger than the sum of its proper divisors (1).

3242543237 is an equidigital number, since it uses as much as digits as its factorization.

3242543237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 35.

The square root of 3242543237 is about 56943.3335606548. Note that the first 3 decimals coincide. The cubic root of 3242543237 is about 1480.1143138206.

The spelling of 3242543237 in words is "three billion, two hundred forty-two million, five hundred forty-three thousand, two hundred thirty-seven".