42559207 has 4 divisors (see below), whose sum is σ = 43549000. Its totient is φ = 41569416.

The previous prime is 42559171. The next prime is 42559229. The reversal of 42559207 is 70295524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42559207 - 2¹¹ = 42557159 is a prime.

It is a super-2 number, since 2×42559207² = 3622572200937698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42559247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494832 + ... + 494917.

It is an arithmetic number, because the mean of its divisors is an integer number (10887250).

Almost surely, 2^42559207 is an apocalyptic number.

42559207 is a deficient number, since it is larger than the sum of its proper divisors (989793).

42559207 is an equidigital number, since it uses as much as digits as its factorization.

42559207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989792.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 42559207 is about 6523.7417943999. The cubic root of 42559207 is about 349.1385809368.

The spelling of 42559207 in words is "forty-two million, five hundred fifty-nine thousand, two hundred seven".