61985224 has 32 divisors (see below), whose sum is σ = 133099200. Its totient is φ = 26510400.

The previous prime is 61985219. The next prime is 61985227. The reversal of 61985224 is 42258916.

61985224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61985227) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 38467 + ... + 40045.

It is an arithmetic number, because the mean of its divisors is an integer number (4159350).

Almost surely, 2^61985224 is an apocalyptic number.

It is an amenable number.

61985224 is an abundant number, since it is smaller than the sum of its proper divisors (71113976).

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

61985224 is a wasteful number, since it uses less digits than its factorization.

61985224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293 (or 2289 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 61985224 is about 7873.0695411637. The cubic root of 61985224 is about 395.7577166385.

The spelling of 61985224 in words is "sixty-one million, nine hundred eighty-five thousand, two hundred twenty-four".