42651201 has 4 divisors (see below), whose sum is σ = 56868272. Its totient is φ = 28434132.

The previous prime is 42651187. The next prime is 42651209. The reversal of 42651201 is 10215624.

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 not a de Polignac number, because 42651201 - 2⁹ = 42650689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42651209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7108531 + ... + 7108536.

It is an arithmetic number, because the mean of its divisors is an integer number (14217068).

Almost surely, 2^42651201 is an apocalyptic number.

It is an amenable number.

42651201 is a deficient number, since it is larger than the sum of its proper divisors (14217071).

42651201 is a wasteful number, since it uses less digits than its factorization.

42651201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14217070.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 42651201 is about 6530.7886966277. The cubic root of 42651201 is about 349.3899604663.

Adding to 42651201 its reverse (10215624), we get a palindrome (52866825).

The spelling of 42651201 in words is "forty-two million, six hundred fifty-one thousand, two hundred one".