612344057 has 4 divisors (see below), whose sum is σ = 659447460. Its totient is φ = 565240656.

The previous prime is 612344041. The next prime is 612344071. The reversal of 612344057 is 750443216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 239506576 + 372837481 = 15476^2 + 19309^2 .

It is a cyclic number.

It is not a de Polignac number, because 612344057 - 2⁴ = 612344041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612344017) 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 3 ways as a sum of consecutive naturals, for example, 23551682 + ... + 23551707.

It is an arithmetic number, because the mean of its divisors is an integer number (164861865).

Almost surely, 2^612344057 is an apocalyptic number.

It is an amenable number.

612344057 is a deficient number, since it is larger than the sum of its proper divisors (47103403).

612344057 is a wasteful number, since it uses less digits than its factorization.

612344057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47103402.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 612344057 is about 24745.5866166070. The cubic root of 612344057 is about 849.1775467874.

The spelling of 612344057 in words is "six hundred twelve million, three hundred forty-four thousand, fifty-seven".