189245597 has 2 divisors, whose sum is σ = 189245598. Its totient is φ = 189245596.

The previous prime is 189245593. The next prime is 189245603. The reversal of 189245597 is 795542981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131652676 + 57592921 = 11474^2 + 7589^2 .

It is an emirp because it is prime and its reverse (795542981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189245597 - 2² = 189245593 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189245591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94622798 + 94622799.

It is an arithmetic number, because the mean of its divisors is an integer number (94622799).

Almost surely, 2^189245597 is an apocalyptic number.

It is an amenable number.

189245597 is a deficient number, since it is larger than the sum of its proper divisors (1).

189245597 is an equidigital number, since it uses as much as digits as its factorization.

189245597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 50.

The square root of 189245597 is about 13756.6564615098. The cubic root of 189245597 is about 574.1278240420.

The spelling of 189245597 in words is "one hundred eighty-nine million, two hundred forty-five thousand, five hundred ninety-seven".