101637089 has 2 divisors, whose sum is σ = 101637090. Its totient is φ = 101637088.

The previous prime is 101637049. The next prime is 101637103. The reversal of 101637089 is 980736101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80550625 + 21086464 = 8975^2 + 4592^2 .

It is a cyclic number.

It is not a de Polignac number, because 101637089 - 2¹⁶ = 101571553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101637049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50818544 + 50818545.

It is an arithmetic number, because the mean of its divisors is an integer number (50818545).

Almost surely, 2^101637089 is an apocalyptic number.

It is an amenable number.

101637089 is a deficient number, since it is larger than the sum of its proper divisors (1).

101637089 is an equidigital number, since it uses as much as digits as its factorization.

101637089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 101637089 is about 10081.5221568967. The cubic root of 101637089 is about 466.6780837910.

The spelling of 101637089 in words is "one hundred one million, six hundred thirty-seven thousand, eighty-nine".