42010807 has 2 divisors, whose sum is σ = 42010808. Its totient is φ = 42010806.

The previous prime is 42010789. The next prime is 42010817. The reversal of 42010807 is 70801024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42010807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42010817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21005403 + 21005404.

It is an arithmetic number, because the mean of its divisors is an integer number (21005404).

Almost surely, 2^42010807 is an apocalyptic number.

42010807 is a deficient number, since it is larger than the sum of its proper divisors (1).

42010807 is an equidigital number, since it uses as much as digits as its factorization.

42010807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 42010807 is about 6481.5744229315. The cubic root of 42010807 is about 347.6324757572.

The spelling of 42010807 in words is "forty-two million, ten thousand, eight hundred seven".