61005942 has 12 divisors (see below), whose sum is σ = 132179580. Its totient is φ = 20335308.

The previous prime is 61005929. The next prime is 61006009. The reversal of 61005942 is 24950016.

61005942 is a `hidden beast` number, since 610 + 0 + 5 + 9 + 42 = 666.

61005942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1694592 + ... + 1694627.

It is an arithmetic number, because the mean of its divisors is an integer number (11014965).

Almost surely, 2^61005942 is an apocalyptic number.

61005942 is an abundant number, since it is smaller than the sum of its proper divisors (71173638).

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

61005942 is a wasteful number, since it uses less digits than its factorization.

61005942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389227 (or 3389224 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 61005942 is about 7810.6300642138. The cubic root of 61005942 is about 393.6624996801.

Adding to 61005942 its reverse (24950016), we get a palindrome (85955958).

The spelling of 61005942 in words is "sixty-one million, five thousand, nine hundred forty-two".