63385523 has 8 divisors (see below), whose sum is σ = 64818768. Its totient is φ = 61968384.

The previous prime is 63385519. The next prime is 63385541. The reversal of 63385523 is 32558336.

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

It is a cyclic number.

It is not a de Polignac number, because 63385523 - 2² = 63385519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63385513) 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 7 ways as a sum of consecutive naturals, for example, 4115 + ... + 11987.

It is an arithmetic number, because the mean of its divisors is an integer number (8102346).

Almost surely, 2^63385523 is an apocalyptic number.

63385523 is a deficient number, since it is larger than the sum of its proper divisors (1433245).

63385523 is an equidigital number, since it uses as much as digits as its factorization.

63385523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8053.

The product of its digits is 64800, while the sum is 35.

The square root of 63385523 is about 7961.5025591907. The cubic root of 63385523 is about 398.7157205622.

The spelling of 63385523 in words is "sixty-three million, three hundred eighty-five thousand, five hundred twenty-three".