61063530 has 64 divisors (see below), whose sum is σ = 168307200. Its totient is φ = 14022720.

The previous prime is 61063529. The next prime is 61063547. The reversal of 61063530 is 3536016.

61063530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61063530.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1401 + ... + 11139.

It is an arithmetic number, because the mean of its divisors is an integer number (2629800).

Almost surely, 2^61063530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61063530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84153600).

61063530 is an abundant number, since it is smaller than the sum of its proper divisors (107243670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61063530 is a wasteful number, since it uses less digits than its factorization.

61063530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9779.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 61063530 is about 7814.3157090049. The cubic root of 61063530 is about 393.7863297293.

Adding to 61063530 its reverse (3536016), we get a palindrome (64599546).

The spelling of 61063530 in words is "sixty-one million, sixty-three thousand, five hundred thirty".