63181201 has 4 divisors (see below), whose sum is σ = 64124272. Its totient is φ = 62238132.

The previous prime is 63181187. The next prime is 63181219. The reversal of 63181201 is 10218136.

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 63181201 - 2⁷ = 63181073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63181501) 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, 471435 + ... + 471568.

It is an arithmetic number, because the mean of its divisors is an integer number (16031068).

Almost surely, 2^63181201 is an apocalyptic number.

It is an amenable number.

63181201 is a deficient number, since it is larger than the sum of its proper divisors (943071).

63181201 is an equidigital number, since it uses as much as digits as its factorization.

63181201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943070.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 63181201 is about 7948.6603273759. The cubic root of 63181201 is about 398.2868419487.

Adding to 63181201 its reverse (10218136), we get a palindrome (73399337).

The spelling of 63181201 in words is "sixty-three million, one hundred eighty-one thousand, two hundred one".