63545315 has 4 divisors (see below), whose sum is σ = 76254384. Its totient is φ = 50836248.

The previous prime is 63545311. The next prime is 63545323. The reversal of 63545315 is 51354536.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63545315 - 2² = 63545311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63545311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6354527 + ... + 6354536.

It is an arithmetic number, because the mean of its divisors is an integer number (19063596).

Almost surely, 2^63545315 is an apocalyptic number.

63545315 is a deficient number, since it is larger than the sum of its proper divisors (12709069).

63545315 is a wasteful number, since it uses less digits than its factorization.

63545315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12709068.

The product of its digits is 27000, while the sum is 32.

The square root of 63545315 is about 7971.5315341533. The cubic root of 63545315 is about 399.0504874315.

It can be divided in two parts, 6354531 and 5, that added together give a palindrome (6354536).

The spelling of 63545315 in words is "sixty-three million, five hundred forty-five thousand, three hundred fifteen".