63533138 has 8 divisors (see below), whose sum is σ = 95779200. Its totient is φ = 31606740.

The previous prime is 63533137. The next prime is 63533161. The reversal of 63533138 is 83133536.

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

It is not an unprimeable number, because it can be changed into a prime (63533137) 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, 79418 + ... + 80213.

It is an arithmetic number, because the mean of its divisors is an integer number (11972400).

Almost surely, 2^63533138 is an apocalyptic number.

63533138 is a deficient number, since it is larger than the sum of its proper divisors (32246062).

63533138 is a wasteful number, since it uses less digits than its factorization.

63533138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159832.

The product of its digits is 19440, while the sum is 32.

The square root of 63533138 is about 7970.7677171023. The cubic root of 63533138 is about 399.0249961832.

The spelling of 63533138 in words is "sixty-three million, five hundred thirty-three thousand, one hundred thirty-eight".