42565031255237 has 2 divisors, whose sum is σ = 42565031255238. Its totient is φ = 42565031255236.

The previous prime is 42565031255221. The next prime is 42565031255249. The reversal of 42565031255237 is 73255213056524.

42565031255237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31601475867361 + 10963555387876 = 5621519^2 + 3311126^2 .

It is a cyclic number.

It is not a de Polignac number, because 42565031255237 - 2⁴ = 42565031255221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42565031255207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21282515627618 + 21282515627619.

It is an arithmetic number, because the mean of its divisors is an integer number (21282515627619).

Almost surely, 2^{42565031255237} is an apocalyptic number.

It is an amenable number.

42565031255237 is a deficient number, since it is larger than the sum of its proper divisors (1).

42565031255237 is an equidigital number, since it uses as much as digits as its factorization.

42565031255237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560000, while the sum is 50.

The spelling of 42565031255237 in words is "forty-two trillion, five hundred sixty-five billion, thirty-one million, two hundred fifty-five thousand, two hundred thirty-seven".