5665237 has 4 divisors (see below), whose sum is σ = 5860620. Its totient is φ = 5469856.

The previous prime is 5665217. The next prime is 5665243. The reversal of 5665237 is 7325665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7325665 = 5 ⋅1465133.

It can be written as a sum of positive squares in 2 ways, for example, as 938961 + 4726276 = 969^2 + 2174^2 .

It is a cyclic number.

It is not a de Polignac number, because 5665237 - 2⁷ = 5665109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97648 + ... + 97705.

It is an arithmetic number, because the mean of its divisors is an integer number (1465155).

Almost surely, 2^5665237 is an apocalyptic number.

It is an amenable number.

5665237 is a deficient number, since it is larger than the sum of its proper divisors (195383).

5665237 is a wasteful number, since it uses less digits than its factorization.

5665237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195382.

The product of its digits is 37800, while the sum is 34.

The square root of 5665237 is about 2380.1758338409. The cubic root of 5665237 is about 178.2677135541.

The spelling of 5665237 in words is "five million, six hundred sixty-five thousand, two hundred thirty-seven".