63675505 has 4 divisors (see below), whose sum is σ = 76410612. Its totient is φ = 50940400.

The previous prime is 63675487. The next prime is 63675533. The reversal of 63675505 is 50557636.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10909809 + 52765696 = 3303^2 + 7264^2 .

It is not a de Polignac number, because 63675505 - 2⁷ = 63675377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6367546 + ... + 6367555.

It is an arithmetic number, because the mean of its divisors is an integer number (19102653).

Almost surely, 2^63675505 is an apocalyptic number.

It is an amenable number.

63675505 is a deficient number, since it is larger than the sum of its proper divisors (12735107).

63675505 is a wasteful number, since it uses less digits than its factorization.

63675505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12735106.

The product of its (nonzero) digits is 94500, while the sum is 37.

The square root of 63675505 is about 7979.6932898452. The cubic root of 63675505 is about 399.3228229751.

The spelling of 63675505 in words is "sixty-three million, six hundred seventy-five thousand, five hundred five".