671282929 has 2 divisors, whose sum is σ = 671282930. Its totient is φ = 671282928.

The previous prime is 671282917. The next prime is 671283031. The reversal of 671282929 is 929282176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 460016704 + 211266225 = 21448^2 + 14535^2 .

It is a cyclic number.

It is not a de Polignac number, because 671282929 - 2²⁷ = 537065201 is a prime.

It is not a weakly prime, because it can be changed into another prime (671282329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335641464 + 335641465.

It is an arithmetic number, because the mean of its divisors is an integer number (335641465).

Almost surely, 2^671282929 is an apocalyptic number.

It is an amenable number.

671282929 is a deficient number, since it is larger than the sum of its proper divisors (1).

671282929 is an equidigital number, since it uses as much as digits as its factorization.

671282929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 46.

The square root of 671282929 is about 25909.1282948694. The cubic root of 671282929 is about 875.5921668814.

The spelling of 671282929 in words is "six hundred seventy-one million, two hundred eighty-two thousand, nine hundred twenty-nine".