63525243 has 16 divisors (see below), whose sum is σ = 90823680. Its totient is φ = 39351936.

The previous prime is 63525229. The next prime is 63525271. The reversal of 63525243 is 34252536.

It is not a de Polignac number, because 63525243 - 2⁸ = 63524987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63525243.

It is not an unprimeable number, because it can be changed into a prime (63525223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3855 + ... + 11912.

It is an arithmetic number, because the mean of its divisors is an integer number (5676480).

Almost surely, 2^63525243 is an apocalyptic number.

63525243 is a deficient number, since it is larger than the sum of its proper divisors (27298437).

63525243 is a wasteful number, since it uses less digits than its factorization.

63525243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15866.

The product of its digits is 21600, while the sum is 30.

The square root of 63525243 is about 7970.2724545652. The cubic root of 63525243 is about 399.0084671038.

Adding to 63525243 its reverse (34252536), we get a palindrome (97777779).

It can be divided in two parts, 635 and 25243, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 63525243 in words is "sixty-three million, five hundred twenty-five thousand, two hundred forty-three".