63520105 has 8 divisors (see below), whose sum is σ = 83153664. Its totient is φ = 46196400.

The previous prime is 63520091. The next prime is 63520123. The reversal of 63520105 is 50102536.

It is a happy number.

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

It is not a de Polignac number, because 63520105 - 2⁷ = 63519977 is a prime.

It is a super-2 number, since 2×63520105² = 8069607478422050, which contains 22 as substring.

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, 577401 + ... + 577510.

It is an arithmetic number, because the mean of its divisors is an integer number (10394208).

Almost surely, 2^63520105 is an apocalyptic number.

It is an amenable number.

63520105 is a deficient number, since it is larger than the sum of its proper divisors (19633559).

63520105 is a wasteful number, since it uses less digits than its factorization.

63520105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154927.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 63520105 is about 7969.9501253145. The cubic root of 63520105 is about 398.9977093815.

Subtracting from 63520105 its reverse (50102536), we obtain a square (13417569 = 3663²).

The spelling of 63520105 in words is "sixty-three million, five hundred twenty thousand, one hundred five".