42584807 has 2 divisors, whose sum is σ = 42584808. Its totient is φ = 42584806.

The previous prime is 42584783. The next prime is 42584821. The reversal of 42584807 is 70848524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42584807 - 2⁸ = 42584551 is a prime.

It is a Chen prime.

It is equal to p_2580977 and since 42584807 and 2580977 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42584827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21292403 + 21292404.

It is an arithmetic number, because the mean of its divisors is an integer number (21292404).

Almost surely, 2^42584807 is an apocalyptic number.

42584807 is a deficient number, since it is larger than the sum of its proper divisors (1).

42584807 is an equidigital number, since it uses as much as digits as its factorization.

42584807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 42584807 is about 6525.7035636014. The cubic root of 42584807 is about 349.2085709327.

The spelling of 42584807 in words is "forty-two million, five hundred eighty-four thousand, eight hundred seven".