42941039 has 2 divisors, whose sum is σ = 42941040. Its totient is φ = 42941038.

The previous prime is 42941029. The next prime is 42941051. The reversal of 42941039 is 93014924.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42941039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42940996 and 42941014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42941029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21470519 + 21470520.

It is an arithmetic number, because the mean of its divisors is an integer number (21470520).

Almost surely, 2^42941039 is an apocalyptic number.

42941039 is a deficient number, since it is larger than the sum of its proper divisors (1).

42941039 is an equidigital number, since it uses as much as digits as its factorization.

42941039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 42941039 is about 6552.9412480199. The cubic root of 42941039 is about 350.1796057770.

The spelling of 42941039 in words is "forty-two million, nine hundred forty-one thousand, thirty-nine".