189260497 has 2 divisors, whose sum is σ = 189260498. Its totient is φ = 189260496.

The previous prime is 189260479. The next prime is 189260557. The reversal of 189260497 is 794062981.

Together with previous prime (189260479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166306816 + 22953681 = 12896^2 + 4791^2 .

It is an emirp because it is prime and its reverse (794062981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189260497 - 2¹⁵ = 189227729 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (189260417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94630248 + 94630249.

It is an arithmetic number, because the mean of its divisors is an integer number (94630249).

Almost surely, 2^189260497 is an apocalyptic number.

It is an amenable number.

189260497 is a deficient number, since it is larger than the sum of its proper divisors (1).

189260497 is an equidigital number, since it uses as much as digits as its factorization.

189260497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 189260497 is about 13757.1980068617. The cubic root of 189260497 is about 574.1428913764.

The spelling of 189260497 in words is "one hundred eighty-nine million, two hundred sixty thousand, four hundred ninety-seven".