63403065 has 48 divisors (see below), whose sum is σ = 125124480. Its totient is φ = 29399040.

The previous prime is 63403063. The next prime is 63403073. The reversal of 63403065 is 56030436.

It is not a de Polignac number, because 63403065 - 2¹ = 63403063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63403063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8601 + ... + 14169.

It is an arithmetic number, because the mean of its divisors is an integer number (2606760).

Almost surely, 2^63403065 is an apocalyptic number.

It is an amenable number.

63403065 is a deficient number, since it is larger than the sum of its proper divisors (61721415).

63403065 is a wasteful number, since it uses less digits than its factorization.

63403065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614 (or 5611 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 63403065 is about 7962.6041594443. The cubic root of 63403065 is about 398.7524988133.

The spelling of 63403065 in words is "sixty-three million, four hundred three thousand, sixty-five".