63526523 has 4 divisors (see below), whose sum is σ = 65003928. Its totient is φ = 62049120.

The previous prime is 63526499. The next prime is 63526531. The reversal of 63526523 is 32562536.

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 63526523 - 2⁶ = 63526459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63526523.

It is not an unprimeable number, because it can be changed into a prime (63526553) 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, 738638 + ... + 738723.

It is an arithmetic number, because the mean of its divisors is an integer number (16250982).

Almost surely, 2^63526523 is an apocalyptic number.

63526523 is a deficient number, since it is larger than the sum of its proper divisors (1477405).

63526523 is a wasteful number, since it uses less digits than its factorization.

63526523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477404.

The product of its digits is 32400, while the sum is 32.

The square root of 63526523 is about 7970.3527525449. The cubic root of 63526523 is about 399.0111470222.

The spelling of 63526523 in words is "sixty-three million, five hundred twenty-six thousand, five hundred twenty-three".