1673473001 has 2 divisors, whose sum is σ = 1673473002. Its totient is φ = 1673473000.

The previous prime is 1673472971. The next prime is 1673473007. The reversal of 1673473001 is 1003743761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1407750400 + 265722601 = 37520^2 + 16301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1673473001 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1673473007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836736500 + 836736501.

It is an arithmetic number, because the mean of its divisors is an integer number (836736501).

Almost surely, 2^1673473001 is an apocalyptic number.

It is an amenable number.

1673473001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1673473001 is an equidigital number, since it uses as much as digits as its factorization.

1673473001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 1673473001 is about 40908.1043437605. The cubic root of 1673473001 is about 1187.2428697716.

The spelling of 1673473001 in words is "one billion, six hundred seventy-three million, four hundred seventy-three thousand, one".