97381129 has 2 divisors, whose sum is σ = 97381130. Its totient is φ = 97381128.

The previous prime is 97381127. The next prime is 97381147. The reversal of 97381129 is 92118379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97061904 + 319225 = 9852^2 + 565^2 .

It is a cyclic number.

It is not a de Polignac number, because 97381129 - 2¹ = 97381127 is a prime.

Together with 97381127, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 97381091 and 97381100.

It is not a weakly prime, because it can be changed into another prime (97381127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48690564 + 48690565.

It is an arithmetic number, because the mean of its divisors is an integer number (48690565).

Almost surely, 2^97381129 is an apocalyptic number.

It is an amenable number.

97381129 is a deficient number, since it is larger than the sum of its proper divisors (1).

97381129 is an equidigital number, since it uses as much as digits as its factorization.

97381129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 40.

The square root of 97381129 is about 9868.1877262241. The cubic root of 97381129 is about 460.0710806982.

The spelling of 97381129 in words is "ninety-seven million, three hundred eighty-one thousand, one hundred twenty-nine".