63545133 has 16 divisors (see below), whose sum is σ = 92606976. Its totient is φ = 38584320.

The previous prime is 63545123. The next prime is 63545137. The reversal of 63545133 is 33154536.

It is a happy number.

It is not a de Polignac number, because 63545133 - 2⁴ = 63545117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63545133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63545137) 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, 18516 + ... + 21677.

It is an arithmetic number, because the mean of its divisors is an integer number (5787936).

Almost surely, 2^63545133 is an apocalyptic number.

It is an amenable number.

63545133 is a deficient number, since it is larger than the sum of its proper divisors (29061843).

63545133 is a wasteful number, since it uses less digits than its factorization.

63545133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40244.

The product of its digits is 16200, while the sum is 30.

The square root of 63545133 is about 7971.5201185219. The cubic root of 63545133 is about 399.0501064579.

Adding to 63545133 its reverse (33154536), we get a palindrome (96699669).

The spelling of 63545133 in words is "sixty-three million, five hundred forty-five thousand, one hundred thirty-three".