673647101 has 2 divisors, whose sum is σ = 673647102. Its totient is φ = 673647100.

The previous prime is 673647059. The next prime is 673647113. The reversal of 673647101 is 101746376.

673647101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 640596100 + 33051001 = 25310^2 + 5749^2 .

It is a cyclic number.

It is not a de Polignac number, because 673647101 - 2¹⁴ = 673630717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673647181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336823550 + 336823551.

It is an arithmetic number, because the mean of its divisors is an integer number (336823551).

Almost surely, 2^673647101 is an apocalyptic number.

It is an amenable number.

673647101 is a deficient number, since it is larger than the sum of its proper divisors (1).

673647101 is an equidigital number, since it uses as much as digits as its factorization.

673647101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 673647101 is about 25954.7125008157. The cubic root of 673647101 is about 876.6188701229.

The spelling of 673647101 in words is "six hundred seventy-three million, six hundred forty-seven thousand, one hundred one".