612671 has 2 divisors, whose sum is σ = 612672. Its totient is φ = 612670.

The previous prime is 612649. The next prime is 612679. The reversal of 612671 is 176216.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612671 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306335 + 306336.

It is an arithmetic number, because the mean of its divisors is an integer number (306336).

2⁶¹²⁶⁷¹ is an apocalyptic number.

612671 is a deficient number, since it is larger than the sum of its proper divisors (1).

612671 is an equidigital number, since it uses as much as digits as its factorization.

612671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 23.

The square root of 612671 is about 782.7330323935. The cubic root of 612671 is about 84.9328650977.

Adding to 612671 its reverse (176216), we get a palindrome (788887).

The spelling of 612671 in words is "six hundred twelve thousand, six hundred seventy-one".