97865249 has 2 divisors, whose sum is σ = 97865250. Its totient is φ = 97865248.

The previous prime is 97865231. The next prime is 97865267. The reversal of 97865249 is 94256879.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (97865231) and next prime (97865267).

It can be written as a sum of positive squares in only one way, i.e., 94090000 + 3775249 = 9700^2 + 1943^2 .

It is a cyclic number.

It is not a de Polignac number, because 97865249 - 2⁸ = 97864993 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 97865197 and 97865206.

It is not a weakly prime, because it can be changed into another prime (97865269) 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, 48932624 + 48932625.

It is an arithmetic number, because the mean of its divisors is an integer number (48932625).

Almost surely, 2^97865249 is an apocalyptic number.

It is an amenable number.

97865249 is a deficient number, since it is larger than the sum of its proper divisors (1).

97865249 is an equidigital number, since it uses as much as digits as its factorization.

97865249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 50.

The square root of 97865249 is about 9892.6866421615. The cubic root of 97865249 is about 460.8322190476.

The spelling of 97865249 in words is "ninety-seven million, eight hundred sixty-five thousand, two hundred forty-nine".