63723525 has 48 divisors (see below), whose sum is σ = 108790656. Its totient is φ = 32901120.

The previous prime is 63723523. The next prime is 63723571. The reversal of 63723525 is 52532736.

It is not a de Polignac number, because 63723525 - 2¹ = 63723523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63723523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 563869 + ... + 563981.

It is an arithmetic number, because the mean of its divisors is an integer number (2266472).

Almost surely, 2^63723525 is an apocalyptic number.

It is an amenable number.

63723525 is a deficient number, since it is larger than the sum of its proper divisors (45067131).

63723525 is a wasteful number, since it uses less digits than its factorization.

63723525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 297 counting only the distinct ones).

The product of its digits is 37800, while the sum is 33.

The square root of 63723525 is about 7982.7016103572. The cubic root of 63723525 is about 399.4231790104.

The spelling of 63723525 in words is "sixty-three million, seven hundred twenty-three thousand, five hundred twenty-five".