63387263 has 4 divisors (see below), whose sum is σ = 63403200. Its totient is φ = 63371328.

The previous prime is 63387227. The next prime is 63387307. The reversal of 63387263 is 36278336.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 63387263 - 2⁶ = 63387199 is a prime.

It is a super-2 number, since 2×63387263² = 8035890221262338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63387223) 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, 3506 + ... + 11792.

It is an arithmetic number, because the mean of its divisors is an integer number (15850800).

Almost surely, 2^63387263 is an apocalyptic number.

63387263 is a deficient number, since it is larger than the sum of its proper divisors (15937).

63387263 is an equidigital number, since it uses as much as digits as its factorization.

63387263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15936.

The product of its digits is 108864, while the sum is 38.

The square root of 63387263 is about 7961.6118342959. The cubic root of 63387263 is about 398.7193689190.

The spelling of 63387263 in words is "sixty-three million, three hundred eighty-seven thousand, two hundred sixty-three".