63675285 has 32 divisors (see below), whose sum is σ = 109423872. Its totient is φ = 31503360.

The previous prime is 63675281. The next prime is 63675307. The reversal of 63675285 is 58257636.

It is not a de Polignac number, because 63675285 - 2² = 63675281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63675281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16347 + ... + 19863.

It is an arithmetic number, because the mean of its divisors is an integer number (3419496).

Almost surely, 2^63675285 is an apocalyptic number.

It is an amenable number.

63675285 is a deficient number, since it is larger than the sum of its proper divisors (45748587).

63675285 is a wasteful number, since it uses less digits than its factorization.

63675285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613.

The product of its digits is 302400, while the sum is 42.

The square root of 63675285 is about 7979.6795048423. The cubic root of 63675285 is about 399.3223630855.

The spelling of 63675285 in words is "sixty-three million, six hundred seventy-five thousand, two hundred eighty-five".