63313471 has 8 divisors (see below), whose sum is σ = 69847344. Its totient is φ = 57017280.

The previous prime is 63313447. The next prime is 63313499. The reversal of 63313471 is 17431336.

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 63313471 - 2¹⁹ = 62789183 is a prime.

It is a super-3 number, since 3×63313471³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63313421) 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, 58861 + ... + 59926.

It is an arithmetic number, because the mean of its divisors is an integer number (8730918).

Almost surely, 2^63313471 is an apocalyptic number.

63313471 is a deficient number, since it is larger than the sum of its proper divisors (6533873).

63313471 is a wasteful number, since it uses less digits than its factorization.

63313471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118841.

The product of its digits is 4536, while the sum is 28.

The square root of 63313471 is about 7956.9762472939. The cubic root of 63313471 is about 398.5645863809.

The spelling of 63313471 in words is "sixty-three million, three hundred thirteen thousand, four hundred seventy-one".