1045005173 has 2 divisors, whose sum is σ = 1045005174. Its totient is φ = 1045005172.

The previous prime is 1045005163. The next prime is 1045005211. The reversal of 1045005173 is 3715005401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1044453124 + 552049 = 32318^2 + 743^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045005173 - 2²⁴ = 1028227957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045005103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522502586 + 522502587.

It is an arithmetic number, because the mean of its divisors is an integer number (522502587).

Almost surely, 2^1045005173 is an apocalyptic number.

It is an amenable number.

1045005173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045005173 is an equidigital number, since it uses as much as digits as its factorization.

1045005173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 1045005173 is about 32326.5397622449. The cubic root of 1045005173 is about 1014.7821360966.

The spelling of 1045005173 in words is "one billion, forty-five million, five thousand, one hundred seventy-three".