975822137 has 2 divisors, whose sum is σ = 975822138. Its totient is φ = 975822136.

The previous prime is 975822109. The next prime is 975822149. The reversal of 975822137 is 731228579.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 587771536 + 388050601 = 24244^2 + 19699^2 .

It is a cyclic number.

It is not a de Polignac number, because 975822137 - 2⁸ = 975821881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (975822437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487911068 + 487911069.

It is an arithmetic number, because the mean of its divisors is an integer number (487911069).

Almost surely, 2^975822137 is an apocalyptic number.

It is an amenable number.

975822137 is a deficient number, since it is larger than the sum of its proper divisors (1).

975822137 is an equidigital number, since it uses as much as digits as its factorization.

975822137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 44.

The square root of 975822137 is about 31238.1519459779. The cubic root of 975822137 is about 991.8748734526.

The spelling of 975822137 in words is "nine hundred seventy-five million, eight hundred twenty-two thousand, one hundred thirty-seven".