173473513 has 2 divisors, whose sum is σ = 173473514. Its totient is φ = 173473512.

The previous prime is 173473499. The next prime is 173473523. The reversal of 173473513 is 315374371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132411049 + 41062464 = 11507^2 + 6408^2 .

It is a cyclic number.

It is not a de Polignac number, because 173473513 - 2¹³ = 173465321 is a prime.

It is a super-2 number, since 2×173473513² = 60186119425122338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (173473523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86736756 + 86736757.

It is an arithmetic number, because the mean of its divisors is an integer number (86736757).

Almost surely, 2^173473513 is an apocalyptic number.

It is an amenable number.

173473513 is a deficient number, since it is larger than the sum of its proper divisors (1).

173473513 is an equidigital number, since it uses as much as digits as its factorization.

173473513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 34.

The square root of 173473513 is about 13170.9344011729. The cubic root of 173473513 is about 557.7133724467.

The spelling of 173473513 in words is "one hundred seventy-three million, four hundred seventy-three thousand, five hundred thirteen".