61075589 has 4 divisors (see below), whose sum is σ = 61180224. Its totient is φ = 60970956.

The previous prime is 61075583. The next prime is 61075621. The reversal of 61075589 is 98557016.

61075589 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 a de Polignac number, because none of the positive numbers 2^k-61075589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61075583) 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, 51437 + ... + 52610.

It is an arithmetic number, because the mean of its divisors is an integer number (15295056).

Almost surely, 2^61075589 is an apocalyptic number.

It is an amenable number.

61075589 is a deficient number, since it is larger than the sum of its proper divisors (104635).

61075589 is a wasteful number, since it uses less digits than its factorization.

61075589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104634.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 61075589 is about 7815.0872675870. The cubic root of 61075589 is about 393.8122500388.

The spelling of 61075589 in words is "sixty-one million, seventy-five thousand, five hundred eighty-nine".