61000105 has 8 divisors (see below), whose sum is σ = 73343232. Its totient is φ = 48704688.

The previous prime is 61000091. The next prime is 61000111. The reversal of 61000105 is 50100016.

61000105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61000105 - 2⁹ = 60999593 is a prime.

It is a super-2 number, since 2×61000105² = 7442025620022050, which contains 22 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 9049 + ... + 14278.

It is an arithmetic number, because the mean of its divisors is an integer number (9167904).

Almost surely, 2^61000105 is an apocalyptic number.

It is an amenable number.

61000105 is a deficient number, since it is larger than the sum of its proper divisors (12343127).

61000105 is a wasteful number, since it uses less digits than its factorization.

61000105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23855.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 61000105 is about 7810.2563978400. The cubic root of 61000105 is about 393.6499441747.

The spelling of 61000105 in words is "sixty-one million, one hundred five", and thus it is an aban number.