42361873 has 2 divisors, whose sum is σ = 42361874. Its totient is φ = 42361872.

The previous prime is 42361871. The next prime is 42361927. The reversal of 42361873 is 37816324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30991489 + 11370384 = 5567^2 + 3372^2 .

It is a cyclic number.

It is not a de Polignac number, because 42361873 - 2¹ = 42361871 is a prime.

Together with 42361871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42361871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21180936 + 21180937.

It is an arithmetic number, because the mean of its divisors is an integer number (21180937).

Almost surely, 2^42361873 is an apocalyptic number.

It is an amenable number.

42361873 is a deficient number, since it is larger than the sum of its proper divisors (1).

42361873 is an equidigital number, since it uses as much as digits as its factorization.

42361873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 42361873 is about 6508.5999262514. The cubic root of 42361873 is about 348.5981285696.

It can be divided in two parts, 42361 and 873, that added together give a palindrome (43234).

The spelling of 42361873 in words is "forty-two million, three hundred sixty-one thousand, eight hundred seventy-three".