63470263 has 4 divisors (see below), whose sum is σ = 63494200. Its totient is φ = 63446328.

The previous prime is 63470227. The next prime is 63470269. The reversal of 63470263 is 36207436.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63470263 - 2¹⁷ = 63339191 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 (63470269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7413 + ... + 13486.

It is an arithmetic number, because the mean of its divisors is an integer number (15873550).

Almost surely, 2^63470263 is an apocalyptic number.

63470263 is a deficient number, since it is larger than the sum of its proper divisors (23937).

63470263 is a wasteful number, since it uses less digits than its factorization.

63470263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23936.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 63470263 is about 7966.8226414299. The cubic root of 63470263 is about 398.8933222345.

Adding to 63470263 its reverse (36207436), we get a palindrome (99677699).

The spelling of 63470263 in words is "sixty-three million, four hundred seventy thousand, two hundred sixty-three".