612344171 has 2 divisors, whose sum is σ = 612344172. Its totient is φ = 612344170.

The previous prime is 612344149. The next prime is 612344189. The reversal of 612344171 is 171443216.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612344171 - 2¹⁴ = 612327787 is a prime.

It is a Sophie Germain prime.

It is equal to p_31935350 and since 612344171 and 31935350 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (612344071) 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 as a sum of consecutive naturals, namely, 306172085 + 306172086.

It is an arithmetic number, because the mean of its divisors is an integer number (306172086).

Almost surely, 2^612344171 is an apocalyptic number.

612344171 is a deficient number, since it is larger than the sum of its proper divisors (1).

612344171 is an equidigital number, since it uses as much as digits as its factorization.

612344171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 612344171 is about 24745.5889200480. The cubic root of 612344171 is about 849.1775994845.

Adding to 612344171 its reverse (171443216), we get a palindrome (783787387).

The spelling of 612344171 in words is "six hundred twelve million, three hundred forty-four thousand, one hundred seventy-one".