63216485 has 8 divisors (see below), whose sum is σ = 75919896. Its totient is φ = 50533120.

The previous prime is 63216479. The next prime is 63216497. The reversal of 63216485 is 58461236.

It can be written as a sum of positive squares in 4 ways, for example, as 14760964 + 48455521 = 3842^2 + 6961^2 .

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

It is not a de Polignac number, because 63216485 - 2¹² = 63212389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3137 + ... + 11673.

It is an arithmetic number, because the mean of its divisors is an integer number (9489987).

Almost surely, 2^63216485 is an apocalyptic number.

It is an amenable number.

63216485 is a deficient number, since it is larger than the sum of its proper divisors (12703411).

63216485 is a wasteful number, since it uses less digits than its factorization.

63216485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023.

The product of its digits is 34560, while the sum is 35.

The square root of 63216485 is about 7950.8795110981. The cubic root of 63216485 is about 398.3609702099.

The spelling of 63216485 in words is "sixty-three million, two hundred sixteen thousand, four hundred eighty-five".