63725501 has 8 divisors (see below), whose sum is σ = 72895680. Its totient is φ = 54571968.

The previous prime is 63725489. The next prime is 63725531. The reversal of 63725501 is 10552736.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63725501 - 2⁶ = 63725437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63725531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5570 + ... + 12588.

It is an arithmetic number, because the mean of its divisors is an integer number (9111960).

Almost surely, 2^63725501 is an apocalyptic number.

It is an amenable number.

63725501 is a deficient number, since it is larger than the sum of its proper divisors (9170179).

63725501 is a wasteful number, since it uses less digits than its factorization.

63725501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8323.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 63725501 is about 7982.8253770203. The cubic root of 63725501 is about 399.4273075330.

The spelling of 63725501 in words is "sixty-three million, seven hundred twenty-five thousand, five hundred one".