63408105 has 12 divisors (see below), whose sum is σ = 109907460. Its totient is φ = 33817632.

The previous prime is 63408091. The next prime is 63408109. The reversal of 63408105 is 50180436.

It can be written as a sum of positive squares in 2 ways, for example, as 50296464 + 13111641 = 7092^2 + 3621^2 .

It is not a de Polignac number, because 63408105 - 2⁴ = 63408089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63408109) 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, 704490 + ... + 704579.

It is an arithmetic number, because the mean of its divisors is an integer number (9158955).

Almost surely, 2^63408105 is an apocalyptic number.

It is an amenable number.

63408105 is a deficient number, since it is larger than the sum of its proper divisors (46499355).

63408105 is a wasteful number, since it uses less digits than its factorization.

63408105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409080 (or 1409077 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 63408105 is about 7962.9206325318. The cubic root of 63408105 is about 398.7630643348.

The spelling of 63408105 in words is "sixty-three million, four hundred eight thousand, one hundred five".