42050447 has 2 divisors, whose sum is σ = 42050448. Its totient is φ = 42050446.

The previous prime is 42050443. The next prime is 42050479. The reversal of 42050447 is 74405024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42050447 - 2² = 42050443 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42050443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21025223 + 21025224.

It is an arithmetic number, because the mean of its divisors is an integer number (21025224).

Almost surely, 2^42050447 is an apocalyptic number.

42050447 is a deficient number, since it is larger than the sum of its proper divisors (1).

42050447 is an equidigital number, since it uses as much as digits as its factorization.

42050447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 42050447 is about 6484.6316009470. The cubic root of 42050447 is about 347.7417795327.

The spelling of 42050447 in words is "forty-two million, fifty thousand, four hundred forty-seven".