63212171 has 8 divisors (see below), whose sum is σ = 73015344. Its totient is φ = 54085120.

The previous prime is 63212159. The next prime is 63212179. The reversal of 63212171 is 17121236.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63212171 - 2¹⁰ = 63211147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63212179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168830 + ... + 169203.

It is an arithmetic number, because the mean of its divisors is an integer number (9126918).

Almost surely, 2^63212171 is an apocalyptic number.

63212171 is a deficient number, since it is larger than the sum of its proper divisors (9803173).

63212171 is a wasteful number, since it uses less digits than its factorization.

63212171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338061.

The product of its digits is 504, while the sum is 23.

The square root of 63212171 is about 7950.6082157279. The cubic root of 63212171 is about 398.3519083946.

The spelling of 63212171 in words is "sixty-three million, two hundred twelve thousand, one hundred seventy-one".