2520173 has 2 divisors, whose sum is σ = 2520174. Its totient is φ = 2520172.

The previous prime is 2520169. The next prime is 2520191. The reversal of 2520173 is 3710252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1444804 + 1075369 = 1202^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520173 - 2² = 2520169 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260086 + 1260087.

It is an arithmetic number, because the mean of its divisors is an integer number (1260087).

2^2520173 is an apocalyptic number.

It is an amenable number.

2520173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520173 is an equidigital number, since it uses as much as digits as its factorization.

2520173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 2520173 is about 1587.5052755818. The cubic root of 2520173 is about 136.0849562900.

The spelling of 2520173 in words is "two million, five hundred twenty thousand, one hundred seventy-three".