63651085 has 12 divisors (see below), whose sum is σ = 79111188. Its totient is φ = 49161728.

The previous prime is 63651073. The next prime is 63651089. The reversal of 63651085 is 58015636.

It can be written as a sum of positive squares in 6 ways, for example, as 2601 + 63648484 = 51^2 + 7978^2 .

It is not a de Polignac number, because 63651085 - 2¹³ = 63642893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63651085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63651089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3364 + ... + 11773.

It is an arithmetic number, because the mean of its divisors is an integer number (6592599).

Almost surely, 2^63651085 is an apocalyptic number.

It is an amenable number.

63651085 is a deficient number, since it is larger than the sum of its proper divisors (15460103).

63651085 is a wasteful number, since it uses less digits than its factorization.

63651085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15200 (or 15171 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 63651085 is about 7978.1630091143. The cubic root of 63651085 is about 399.2717687527.

The spelling of 63651085 in words is "sixty-three million, six hundred fifty-one thousand, eighty-five".