42587201 has 4 divisors (see below), whose sum is σ = 42682500. Its totient is φ = 42491904.

The previous prime is 42587197. The next prime is 42587219. The reversal of 42587201 is 10278524.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11895601 + 30691600 = 3449^2 + 5540^2 .

It is a cyclic number.

It is not a de Polignac number, because 42587201 - 2² = 42587197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42587401) 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, 46976 + ... + 47873.

It is an arithmetic number, because the mean of its divisors is an integer number (10670625).

Almost surely, 2^42587201 is an apocalyptic number.

It is an amenable number.

42587201 is a deficient number, since it is larger than the sum of its proper divisors (95299).

42587201 is an equidigital number, since it uses as much as digits as its factorization.

42587201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95298.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 42587201 is about 6525.8869895210. The cubic root of 42587201 is about 349.2151146565.

The spelling of 42587201 in words is "forty-two million, five hundred eighty-seven thousand, two hundred one".