671060651 has 2 divisors, whose sum is σ = 671060652. Its totient is φ = 671060650.

The previous prime is 671060641. The next prime is 671060683. The reversal of 671060651 is 156060176.

It is an a-pointer prime, because the next prime (671060683) can be obtained adding 671060651 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 671060651 - 2⁶ = 671060587 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (671060641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335530325 + 335530326.

It is an arithmetic number, because the mean of its divisors is an integer number (335530326).

Almost surely, 2^671060651 is an apocalyptic number.

671060651 is a deficient number, since it is larger than the sum of its proper divisors (1).

671060651 is an equidigital number, since it uses as much as digits as its factorization.

671060651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 671060651 is about 25904.8383704666. The cubic root of 671060651 is about 875.4955129704.

The spelling of 671060651 in words is "six hundred seventy-one million, sixty thousand, six hundred fifty-one".