42937 has 2 divisors, whose sum is σ = 42938. Its totient is φ = 42936.

The previous prime is 42929. The next prime is 42943. The reversal of 42937 is 73924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22201 + 20736 = 149^2 + 144^2 .

It is a cyclic number.

It is not a de Polignac number, because 42937 - 2³ = 42929 is a prime.

It is not a weakly prime, because it can be changed into another prime (42967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21468 + 21469.

It is an arithmetic number, because the mean of its divisors is an integer number (21469).

2⁴²⁹³⁷ is an apocalyptic number.

It is an amenable number.

42937 is a deficient number, since it is larger than the sum of its proper divisors (1).

42937 is an equidigital number, since it uses as much as digits as its factorization.

42937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 25.

The square root of 42937 is about 207.2124513633. The cubic root of 42937 is about 35.0168626228.

It can be divided in two parts, 42 and 937, that added together give a palindrome (979).

The spelling of 42937 in words is "forty-two thousand, nine hundred thirty-seven".