42267493 has 2 divisors, whose sum is σ = 42267494. Its totient is φ = 42267492.

The previous prime is 42267487. The next prime is 42267499. The reversal of 42267493 is 39476224.

42267493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (42267487) and next prime (42267499).

It can be written as a sum of positive squares in only one way, i.e., 37675044 + 4592449 = 6138^2 + 2143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42267493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42267499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21133746 + 21133747.

It is an arithmetic number, because the mean of its divisors is an integer number (21133747).

Almost surely, 2^42267493 is an apocalyptic number.

It is an amenable number.

42267493 is a deficient number, since it is larger than the sum of its proper divisors (1).

42267493 is an equidigital number, since it uses as much as digits as its factorization.

42267493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 37.

The square root of 42267493 is about 6501.3454761303. The cubic root of 42267493 is about 348.3390500399.

The spelling of 42267493 in words is "forty-two million, two hundred sixty-seven thousand, four hundred ninety-three".