612349305 has 16 divisors (see below), whose sum is σ = 980116800. Its totient is φ = 326467008.

The previous prime is 612349301. The next prime is 612349307. The reversal of 612349305 is 503943216.

It is not a de Polignac number, because 612349305 - 2² = 612349301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612349301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48546 + ... + 59844.

It is an arithmetic number, because the mean of its divisors is an integer number (61257300).

Almost surely, 2^612349305 is an apocalyptic number.

It is an amenable number.

612349305 is a deficient number, since it is larger than the sum of its proper divisors (367767495).

612349305 is a wasteful number, since it uses less digits than its factorization.

612349305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14920.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 612349305 is about 24745.6926554906. The cubic root of 612349305 is about 849.1799726954.

The spelling of 612349305 in words is "six hundred twelve million, three hundred forty-nine thousand, three hundred five".