63523475 has 24 divisors (see below), whose sum is σ = 84088368. Its totient is φ = 47436800.

The previous prime is 63523463. The next prime is 63523477. The reversal of 63523475 is 57432536.

63523475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-63523475 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63523477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57680 + ... + 58770.

It is an arithmetic number, because the mean of its divisors is an integer number (3503682).

Almost surely, 2^63523475 is an apocalyptic number.

63523475 is a deficient number, since it is larger than the sum of its proper divisors (20564893).

63523475 is a wasteful number, since it uses less digits than its factorization.

63523475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255 (or 1250 counting only the distinct ones).

The product of its digits is 75600, while the sum is 35.

The square root of 63523475 is about 7970.1615416502. The cubic root of 63523475 is about 399.0047654073.

The spelling of 63523475 in words is "sixty-three million, five hundred twenty-three thousand, four hundred seventy-five".