42941237 has 2 divisors, whose sum is σ = 42941238. Its totient is φ = 42941236.

The previous prime is 42941191. The next prime is 42941251. The reversal of 42941237 is 73214924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41075281 + 1865956 = 6409^2 + 1366^2 .

It is a cyclic number.

It is not a de Polignac number, because 42941237 - 2²⁰ = 41892661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42941267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21470618 + 21470619.

It is an arithmetic number, because the mean of its divisors is an integer number (21470619).

Almost surely, 2^42941237 is an apocalyptic number.

It is an amenable number.

42941237 is a deficient number, since it is larger than the sum of its proper divisors (1).

42941237 is an equidigital number, since it uses as much as digits as its factorization.

42941237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 42941237 is about 6552.9563557222. The cubic root of 42941237 is about 350.1801439992.

The spelling of 42941237 in words is "forty-two million, nine hundred forty-one thousand, two hundred thirty-seven".