63805234 has 4 divisors (see below), whose sum is σ = 95707854. Its totient is φ = 31902616.

The previous prime is 63805213. The next prime is 63805297. The reversal of 63805234 is 43250836.

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

It can be written as a sum of positive squares in only one way, i.e., 63250209 + 555025 = 7953^2 + 745^2 .

It is a super-2 number, since 2×63805234² = 8142215771589512, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 63805196 and 63805205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15951307 + ... + 15951310.

Almost surely, 2^63805234 is an apocalyptic number.

63805234 is a deficient number, since it is larger than the sum of its proper divisors (31902620).

63805234 is a wasteful number, since it uses less digits than its factorization.

63805234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31902619.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 63805234 is about 7987.8178497009. The cubic root of 63805234 is about 399.5938251947.

The spelling of 63805234 in words is "sixty-three million, eight hundred five thousand, two hundred thirty-four".