671342267 has 2 divisors, whose sum is σ = 671342268. Its totient is φ = 671342266.

The previous prime is 671342249. The next prime is 671342279. The reversal of 671342267 is 762243176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 671342267 - 2¹⁴ = 671325883 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 671342267.

It is not a weakly prime, because it can be changed into another prime (671345267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335671133 + 335671134.

It is an arithmetic number, because the mean of its divisors is an integer number (335671134).

Almost surely, 2^671342267 is an apocalyptic number.

671342267 is a deficient number, since it is larger than the sum of its proper divisors (1).

671342267 is an equidigital number, since it uses as much as digits as its factorization.

671342267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 38.

The square root of 671342267 is about 25910.2733872107. The cubic root of 671342267 is about 875.6179654207.

Subtracting 671342267 from its reverse (762243176), we obtain a palindrome (90900909).

The spelling of 671342267 in words is "six hundred seventy-one million, three hundred forty-two thousand, two hundred sixty-seven".