65237 has 4 divisors (see below), whose sum is σ = 66060. Its totient is φ = 64416.

The previous prime is 65213. The next prime is 65239. The reversal of 65237 is 73256.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42436 + 22801 = 206^2 + 151^2 .

It is a cyclic number.

It is not a de Polignac number, because 65237 - 2⁶ = 65173 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 65237.

It is not an unprimeable number, because it can be changed into a prime (65239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278 + ... + 455.

It is an arithmetic number, because the mean of its divisors is an integer number (16515).

2⁶⁵²³⁷ is an apocalyptic number.

It is an amenable number.

65237 is a deficient number, since it is larger than the sum of its proper divisors (823).

65237 is an equidigital number, since it uses as much as digits as its factorization.

65237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822.

The product of its digits is 1260, while the sum is 23.

The square root of 65237 is about 255.4153480118. The cubic root of 65237 is about 40.2560655957.

The spelling of 65237 in words is "sixty-five thousand, two hundred thirty-seven".