2540453173 has 2 divisors, whose sum is σ = 2540453174. Its totient is φ = 2540453172.

The previous prime is 2540453161. The next prime is 2540453207. The reversal of 2540453173 is 3713540452.

It is an a-pointer prime, because the next prime (2540453207) can be obtained adding 2540453173 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1691430129 + 849023044 = 41127^2 + 29138^2 .

It is a cyclic number.

It is not a de Polignac number, because 2540453173 - 2⁵ = 2540453141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2540453473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270226586 + 1270226587.

It is an arithmetic number, because the mean of its divisors is an integer number (1270226587).

Almost surely, 2^2540453173 is an apocalyptic number.

It is an amenable number.

2540453173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540453173 is an equidigital number, since it uses as much as digits as its factorization.

2540453173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 2540453173 is about 50402.9083783863. The cubic root of 2540453173 is about 1364.4901284170.

The spelling of 2540453173 in words is "two billion, five hundred forty million, four hundred fifty-three thousand, one hundred seventy-three".