10172389 has 2 divisors, whose sum is σ = 10172390. Its totient is φ = 10172388.

The previous prime is 10172377. The next prime is 10172399. The reversal of 10172389 is 98327101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6543364 + 3629025 = 2558^2 + 1905^2 .

It is a cyclic number.

It is not a de Polignac number, because 10172389 - 2¹⁹ = 9648101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10172389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10172329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5086194 + 5086195.

It is an arithmetic number, because the mean of its divisors is an integer number (5086195).

Almost surely, 2^10172389 is an apocalyptic number.

It is an amenable number.

10172389 is a deficient number, since it is larger than the sum of its proper divisors (1).

10172389 is an equidigital number, since it uses as much as digits as its factorization.

10172389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 10172389 is about 3189.4182855185. The cubic root of 10172389 is about 216.6744252317.

The spelling of 10172389 in words is "ten million, one hundred seventy-two thousand, three hundred eighty-nine".