97257189 has 8 divisors (see below), whose sum is σ = 130062400. Its totient is φ = 64645056.

The previous prime is 97257169. The next prime is 97257203. The reversal of 97257189 is 98175279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97257189 - 2⁸ = 97256933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97257109) 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 in 7 ways as a sum of consecutive naturals, for example, 47089 + ... + 49110.

It is an arithmetic number, because the mean of its divisors is an integer number (16257800).

Almost surely, 2^97257189 is an apocalyptic number.

It is an amenable number.

97257189 is a deficient number, since it is larger than the sum of its proper divisors (32805211).

97257189 is a wasteful number, since it uses less digits than its factorization.

97257189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96539.

The product of its digits is 317520, while the sum is 48.

The square root of 97257189 is about 9861.9059516911. The cubic root of 97257189 is about 459.8758155637.

The spelling of 97257189 in words is "ninety-seven million, two hundred fifty-seven thousand, one hundred eighty-nine".