612283921 has 8 divisors (see below), whose sum is σ = 614692800. Its totient is φ = 609880848.

The previous prime is 612283831. The next prime is 612283927. The reversal of 612283921 is 129382216.

612283921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 612283921 - 2¹⁹ = 611759633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612283927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359530 + ... + 361228.

It is an arithmetic number, because the mean of its divisors is an integer number (76836600).

Almost surely, 2^612283921 is an apocalyptic number.

It is an amenable number.

612283921 is a deficient number, since it is larger than the sum of its proper divisors (2408879).

612283921 is a wasteful number, since it uses less digits than its factorization.

612283921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903.

The product of its digits is 10368, while the sum is 34.

The square root of 612283921 is about 24744.3715014142. The cubic root of 612283921 is about 849.1497477028.

The spelling of 612283921 in words is "six hundred twelve million, two hundred eighty-three thousand, nine hundred twenty-one".