42396041 has 2 divisors, whose sum is σ = 42396042. Its totient is φ = 42396040.

The previous prime is 42396031. The next prime is 42396047. The reversal of 42396041 is 14069324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42198016 + 198025 = 6496^2 + 445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42396041 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42395995 and 42396013.

It is not a weakly prime, because it can be changed into another prime (42396047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21198020 + 21198021.

It is an arithmetic number, because the mean of its divisors is an integer number (21198021).

Almost surely, 2^42396041 is an apocalyptic number.

It is an amenable number.

42396041 is a deficient number, since it is larger than the sum of its proper divisors (1).

42396041 is an equidigital number, since it uses as much as digits as its factorization.

42396041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 42396041 is about 6511.2242320473. The cubic root of 42396041 is about 348.6918268184.

The spelling of 42396041 in words is "forty-two million, three hundred ninety-six thousand, forty-one".