61285793 has 4 divisors (see below), whose sum is σ = 62711088. Its totient is φ = 59860500.

The previous prime is 61285747. The next prime is 61285813. The reversal of 61285793 is 39758216.

61285793 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61285793 - 2⁸ = 61285537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61285793.

It is not an unprimeable number, because it can be changed into a prime (61285723) 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, 712583 + ... + 712668.

It is an arithmetic number, because the mean of its divisors is an integer number (15677772).

Almost surely, 2^61285793 is an apocalyptic number.

It is an amenable number.

61285793 is a deficient number, since it is larger than the sum of its proper divisors (1425295).

61285793 is a wasteful number, since it uses less digits than its factorization.

61285793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425294.

The product of its digits is 90720, while the sum is 41.

The square root of 61285793 is about 7828.5243181586. The cubic root of 61285793 is about 394.2635275658.

The spelling of 61285793 in words is "sixty-one million, two hundred eighty-five thousand, seven hundred ninety-three".