63561002 has 8 divisors (see below), whose sum is σ = 95751396. Its totient is φ = 31643872.

The previous prime is 63560993. The next prime is 63561037. The reversal of 63561002 is 20016536.

It can be written as a sum of positive squares in 2 ways, for example, as 54626881 + 8934121 = 7391^2 + 2989^2 .

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

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, 67733 + ... + 68664.

Almost surely, 2^63561002 is an apocalyptic number.

63561002 is a deficient number, since it is larger than the sum of its proper divisors (32190394).

63561002 is a wasteful number, since it uses less digits than its factorization.

63561002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136632.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 63561002 is about 7972.5154123401. The cubic root of 63561002 is about 399.0833216903.

Adding to 63561002 its reverse (20016536), we get a palindrome (83577538).

The spelling of 63561002 in words is "sixty-three million, five hundred sixty-one thousand, two".