671933 has 2 divisors, whose sum is σ = 671934. Its totient is φ = 671932.

The previous prime is 671921. The next prime is 671939. The reversal of 671933 is 339176.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 669124 + 2809 = 818^2 + 53^2 .

It is a cyclic number.

It is not a de Polignac number, because 671933 - 2⁴ = 671917 is a prime.

It is a plaindrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 671896 and 671905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335966 + 335967.

It is an arithmetic number, because the mean of its divisors is an integer number (335967).

2⁶⁷¹⁹³³ is an apocalyptic number.

It is an amenable number.

671933 is a deficient number, since it is larger than the sum of its proper divisors (1).

671933 is an equidigital number, since it uses as much as digits as its factorization.

671933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402, while the sum is 29.

The square root of 671933 is about 819.7151944426. The cubic root of 671933 is about 87.5874717111.

The spelling of 671933 in words is "six hundred seventy-one thousand, nine hundred thirty-three".