42085201 has 4 divisors (see below), whose sum is σ = 42206832. Its totient is φ = 41963572.

The previous prime is 42085187. The next prime is 42085207. The reversal of 42085201 is 10258024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42085201 - 2⁹ = 42084689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42085207) 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, 60295 + ... + 60988.

It is an arithmetic number, because the mean of its divisors is an integer number (10551708).

Almost surely, 2^42085201 is an apocalyptic number.

It is an amenable number.

42085201 is a deficient number, since it is larger than the sum of its proper divisors (121631).

42085201 is a wasteful number, since it uses less digits than its factorization.

42085201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121630.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 42085201 is about 6487.3107679531. The cubic root of 42085201 is about 347.8375540982.

It can be divided in two parts, 4208 and 5201, that added together give a square (9409 = 97²).

The spelling of 42085201 in words is "forty-two million, eighty-five thousand, two hundred one".