61985937 has 16 divisors (see below), whose sum is σ = 89611200. Its totient is φ = 37885632.

The previous prime is 61985909. The next prime is 61985941. The reversal of 61985937 is 73958916.

61985937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61985937 - 2⁶ = 61985873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61985137) 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 15 ways as a sum of consecutive naturals, for example, 478 + ... + 11144.

It is an arithmetic number, because the mean of its divisors is an integer number (5600700).

Almost surely, 2^61985937 is an apocalyptic number.

It is an amenable number.

61985937 is a deficient number, since it is larger than the sum of its proper divisors (27625263).

61985937 is a wasteful number, since it uses less digits than its factorization.

61985937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10832.

The product of its digits is 408240, while the sum is 48.

The square root of 61985937 is about 7873.1148219748. The cubic root of 61985937 is about 395.7592340656.

The spelling of 61985937 in words is "sixty-one million, nine hundred eighty-five thousand, nine hundred thirty-seven".