63466021 has 8 divisors (see below), whose sum is σ = 65881088. Its totient is φ = 61074000.

The previous prime is 63466019. The next prime is 63466037. The reversal of 63466021 is 12066436.

63466021 is nontrivially palindromic in base 6.

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 63466021 - 2¹ = 63466019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63466001) 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, 45 + ... + 11266.

It is an arithmetic number, because the mean of its divisors is an integer number (8235136).

Almost surely, 2^63466021 is an apocalyptic number.

It is an amenable number.

63466021 is a deficient number, since it is larger than the sum of its proper divisors (2415067).

63466021 is a wasteful number, since it uses less digits than its factorization.

63466021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11523.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 63466021 is about 7966.5564078841. The cubic root of 63466021 is about 398.8844354315.

The spelling of 63466021 in words is "sixty-three million, four hundred sixty-six thousand, twenty-one".