63509485 has 8 divisors (see below), whose sum is σ = 82073880. Its totient is φ = 46899264.

The previous prime is 63509477. The next prime is 63509513. The reversal of 63509485 is 58490536.

It can be written as a sum of positive squares in 4 ways, for example, as 2090916 + 61418569 = 1446^2 + 7837^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63509485 - 2³ = 63509477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488470 + ... + 488599.

It is an arithmetic number, because the mean of its divisors is an integer number (10259235).

Almost surely, 2^63509485 is an apocalyptic number.

63509485 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63509485 is a deficient number, since it is larger than the sum of its proper divisors (18564395).

63509485 is a wasteful number, since it uses less digits than its factorization.

63509485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977087.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 63509485 is about 7969.2838448634. The cubic root of 63509485 is about 398.9754718456.

The spelling of 63509485 in words is "sixty-three million, five hundred nine thousand, four hundred eighty-five".