63212061 has 8 divisors (see below), whose sum is σ = 91944864. Its totient is φ = 38310320.

The previous prime is 63212059. The next prime is 63212077. The reversal of 63212061 is 16021236.

It is a happy number.

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 63212061 - 2¹ = 63212059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63212011) 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, 957726 + ... + 957791.

It is an arithmetic number, because the mean of its divisors is an integer number (11493108).

Almost surely, 2^63212061 is an apocalyptic number.

It is an amenable number.

63212061 is a deficient number, since it is larger than the sum of its proper divisors (28732803).

63212061 is a wasteful number, since it uses less digits than its factorization.

63212061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915531.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 63212061 is about 7950.6012980151. The cubic root of 63212061 is about 398.3516773277.

Adding to 63212061 its reverse (16021236), we get a palindrome (79233297).

The spelling of 63212061 in words is "sixty-three million, two hundred twelve thousand, sixty-one".