61589223 has 12 divisors (see below), whose sum is σ = 90855648. Its totient is φ = 40185600.

The previous prime is 61589207. The next prime is 61589261. The reversal of 61589223 is 32298516.

It is not a de Polignac number, because 61589223 - 2⁴ = 61589207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61589263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72378 + ... + 73223.

It is an arithmetic number, because the mean of its divisors is an integer number (7571304).

Almost surely, 2^61589223 is an apocalyptic number.

61589223 is a deficient number, since it is larger than the sum of its proper divisors (29266425).

61589223 is a wasteful number, since it uses less digits than its factorization.

61589223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145654 (or 145651 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 61589223 is about 7847.8801596355. The cubic root of 61589223 is about 394.9131315676.

The spelling of 61589223 in words is "sixty-one million, five hundred eighty-nine thousand, two hundred twenty-three".