42533237 has 2 divisors, whose sum is σ = 42533238. Its totient is φ = 42533236.

The previous prime is 42533213. The next prime is 42533251. The reversal of 42533237 is 73233524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42172036 + 361201 = 6494^2 + 601^2 .

It is a cyclic number.

It is not a de Polignac number, because 42533237 - 2⁸ = 42532981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42533207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21266618 + 21266619.

It is an arithmetic number, because the mean of its divisors is an integer number (21266619).

Almost surely, 2^42533237 is an apocalyptic number.

It is an amenable number.

42533237 is a deficient number, since it is larger than the sum of its proper divisors (1).

42533237 is an equidigital number, since it uses as much as digits as its factorization.

42533237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 29.

The square root of 42533237 is about 6521.7510685398. The cubic root of 42533237 is about 349.0675506828.

The spelling of 42533237 in words is "forty-two million, five hundred thirty-three thousand, two hundred thirty-seven".