612189532 has 24 divisors (see below), whose sum is σ = 1104242832. Its totient is φ = 296784000.

The previous prime is 612189527. The next prime is 612189553. The reversal of 612189532 is 235981216.

612189532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 612189491 and 612189500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15282 + ... + 38182.

It is an arithmetic number, because the mean of its divisors is an integer number (46010118).

Almost surely, 2^612189532 is an apocalyptic number.

It is an amenable number.

612189532 is a deficient number, since it is larger than the sum of its proper divisors (492053300).

612189532 is a wasteful number, since it uses less digits than its factorization.

612189532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23109 (or 23107 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 612189532 is about 24742.4641456747. The cubic root of 612189532 is about 849.1061108040.

The spelling of 612189532 in words is "six hundred twelve million, one hundred eighty-nine thousand, five hundred thirty-two".