2173013 has 2 divisors, whose sum is σ = 2173014. Its totient is φ = 2173012.

The previous prime is 2173009. The next prime is 2173033. The reversal of 2173013 is 3103712.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1295044 + 877969 = 1138^2 + 937^2 .

It is a cyclic number.

It is not a de Polignac number, because 2173013 - 2² = 2173009 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 7⁵ + 3 + 0 + 1 + 3¹⁰ .

It is a junction number, because it is equal to n+sod(n) for n = 2172982 and 2173000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2173033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086506 + 1086507.

It is an arithmetic number, because the mean of its divisors is an integer number (1086507).

2^2173013 is an apocalyptic number.

It is an amenable number.

2173013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2173013 is an equidigital number, since it uses as much as digits as its factorization.

2173013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 2173013 is about 1474.1143103572. The cubic root of 2173013 is about 129.5251512693.

Adding to 2173013 its reverse (3103712), we get a palindrome (5276725).

The spelling of 2173013 in words is "two million, one hundred seventy-three thousand, thirteen".