173802397 has 2 divisors, whose sum is σ = 173802398. Its totient is φ = 173802396.

The previous prime is 173802383. The next prime is 173802401. The reversal of 173802397 is 793208371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164198596 + 9603801 = 12814^2 + 3099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173802397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173802197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86901198 + 86901199.

It is an arithmetic number, because the mean of its divisors is an integer number (86901199).

Almost surely, 2^173802397 is an apocalyptic number.

It is an amenable number.

173802397 is a deficient number, since it is larger than the sum of its proper divisors (1).

173802397 is an equidigital number, since it uses as much as digits as its factorization.

173802397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 173802397 is about 13183.4137081410. The cubic root of 173802397 is about 558.0656014564.

The spelling of 173802397 in words is "one hundred seventy-three million, eight hundred two thousand, three hundred ninety-seven".