63535523 has 4 divisors (see below), whose sum is σ = 65585088. Its totient is φ = 61485960.

The previous prime is 63535517. The next prime is 63535529. The reversal of 63535523 is 32553536.

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

It is an interprime number because it is at equal distance from previous prime (63535517) and next prime (63535529).

It is a cyclic number.

It is not a de Polignac number, because 63535523 - 2¹⁴ = 63519139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63535523.

It is not an unprimeable number, because it can be changed into a prime (63535529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024736 + ... + 1024797.

It is an arithmetic number, because the mean of its divisors is an integer number (16396272).

Almost surely, 2^63535523 is an apocalyptic number.

63535523 is a deficient number, since it is larger than the sum of its proper divisors (2049565).

63535523 is a wasteful number, since it uses less digits than its factorization.

63535523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049564.

The product of its digits is 40500, while the sum is 32.

The square root of 63535523 is about 7970.9173248755. The cubic root of 63535523 is about 399.0299891823.

The spelling of 63535523 in words is "sixty-three million, five hundred thirty-five thousand, five hundred twenty-three".