61000579 has 4 divisors (see below), whose sum is σ = 62488440. Its totient is φ = 59512720.

The previous prime is 61000571. The next prime is 61000727. The reversal of 61000579 is 97500016.

It is a happy number.

61000579 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61000579 - 2³ = 61000571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61000571) 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 3 ways as a sum of consecutive naturals, for example, 743869 + ... + 743950.

It is an arithmetic number, because the mean of its divisors is an integer number (15622110).

Almost surely, 2^61000579 is an apocalyptic number.

61000579 is a deficient number, since it is larger than the sum of its proper divisors (1487861).

61000579 is a wasteful number, since it uses less digits than its factorization.

61000579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487860.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 61000579 is about 7810.2867424954. The cubic root of 61000579 is about 393.6509637882.

The spelling of 61000579 in words is "sixty-one million, five hundred seventy-nine", and thus it is an aban number.