42410947 has 2 divisors, whose sum is σ = 42410948. Its totient is φ = 42410946.

The previous prime is 42410899. The next prime is 42410957. The reversal of 42410947 is 74901424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42410947 is a prime.

It is not a weakly prime, because it can be changed into another prime (42410957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21205473 + 21205474.

It is an arithmetic number, because the mean of its divisors is an integer number (21205474).

Almost surely, 2^42410947 is an apocalyptic number.

42410947 is a deficient number, since it is larger than the sum of its proper divisors (1).

42410947 is an equidigital number, since it uses as much as digits as its factorization.

42410947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 42410947 is about 6512.3687702709. The cubic root of 42410947 is about 348.7326874839.

The spelling of 42410947 in words is "forty-two million, four hundred ten thousand, nine hundred forty-seven".