42286273 has 2 divisors, whose sum is σ = 42286274. Its totient is φ = 42286272.

The previous prime is 42286271. The next prime is 42286289. The reversal of 42286273 is 37268224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38837824 + 3448449 = 6232^2 + 1857^2 .

It is a cyclic number.

It is not a de Polignac number, because 42286273 - 2¹ = 42286271 is a prime.

Together with 42286271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42286271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21143136 + 21143137.

It is an arithmetic number, because the mean of its divisors is an integer number (21143137).

Almost surely, 2^42286273 is an apocalyptic number.

It is an amenable number.

42286273 is a deficient number, since it is larger than the sum of its proper divisors (1).

42286273 is an equidigital number, since it uses as much as digits as its factorization.

42286273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 34.

The square root of 42286273 is about 6502.7896321502. The cubic root of 42286273 is about 348.3906329330.

It can be divided in two parts, 4228 and 6273, that added together give a palindrome (10501).

The spelling of 42286273 in words is "forty-two million, two hundred eighty-six thousand, two hundred seventy-three".