2235637 has 2 divisors, whose sum is σ = 2235638. Its totient is φ = 2235636.

The previous prime is 2235631. The next prime is 2235641. The reversal of 2235637 is 7365322.

2235637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1540081 + 695556 = 1241^2 + 834^2 .

It is a cyclic number.

It is not a de Polignac number, because 2235637 - 2⁷ = 2235509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2235631) 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, 1117818 + 1117819.

It is an arithmetic number, because the mean of its divisors is an integer number (1117819).

2^2235637 is an apocalyptic number.

It is an amenable number.

2235637 is a deficient number, since it is larger than the sum of its proper divisors (1).

2235637 is an equidigital number, since it uses as much as digits as its factorization.

2235637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 28.

The square root of 2235637 is about 1495.2046682645. The cubic root of 2235637 is about 130.7576468223.

The spelling of 2235637 in words is "two million, two hundred thirty-five thousand, six hundred thirty-seven".