42626833 has 2 divisors, whose sum is σ = 42626834. Its totient is φ = 42626832.

The previous prime is 42626827. The next prime is 42626867. The reversal of 42626833 is 33862624.

It is an a-pointer prime, because the next prime (42626867) can be obtained adding 42626833 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33965584 + 8661249 = 5828^2 + 2943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42626833 is a prime.

It is not a weakly prime, because it can be changed into another prime (42626873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21313416 + 21313417.

It is an arithmetic number, because the mean of its divisors is an integer number (21313417).

Almost surely, 2^42626833 is an apocalyptic number.

It is an amenable number.

42626833 is a deficient number, since it is larger than the sum of its proper divisors (1).

42626833 is an equidigital number, since it uses as much as digits as its factorization.

42626833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 34.

The square root of 42626833 is about 6528.9228054864. The cubic root of 42626833 is about 349.3234085577.

The spelling of 42626833 in words is "forty-two million, six hundred twenty-six thousand, eight hundred thirty-three".