42495941 has 2 divisors, whose sum is σ = 42495942. Its totient is φ = 42495940.

The previous prime is 42495931. The next prime is 42495949. The reversal of 42495941 is 14959424.

42495941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26061025 + 16434916 = 5105^2 + 4054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42495941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42495895 and 42495904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42495949) 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, 21247970 + 21247971.

It is an arithmetic number, because the mean of its divisors is an integer number (21247971).

Almost surely, 2^42495941 is an apocalyptic number.

It is an amenable number.

42495941 is a deficient number, since it is larger than the sum of its proper divisors (1).

42495941 is an equidigital number, since it uses as much as digits as its factorization.

42495941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 42495941 is about 6518.8910866803. The cubic root of 42495941 is about 348.9654922190.

The spelling of 42495941 in words is "forty-two million, four hundred ninety-five thousand, nine hundred forty-one".