61032105 has 12 divisors (see below), whose sum is σ = 105789060. Its totient is φ = 32550432.

The previous prime is 61032089. The next prime is 61032131. The reversal of 61032105 is 50123016.

61032105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 21455424 + 39576681 = 4632^2 + 6291^2 .

It is not a de Polignac number, because 61032105 - 2⁴ = 61032089 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 678090 + ... + 678179.

It is an arithmetic number, because the mean of its divisors is an integer number (8815755).

Almost surely, 2^61032105 is an apocalyptic number.

It is an amenable number.

61032105 is a deficient number, since it is larger than the sum of its proper divisors (44756955).

61032105 is a wasteful number, since it uses less digits than its factorization.

61032105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356280 (or 1356277 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 61032105 is about 7812.3047175593. The cubic root of 61032105 is about 393.7187669859.

The spelling of 61032105 in words is "sixty-one million, thirty-two thousand, one hundred five".