101601697 has 2 divisors, whose sum is σ = 101601698. Its totient is φ = 101601696.

The previous prime is 101601691. The next prime is 101601719. The reversal of 101601697 is 796106101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55890576 + 45711121 = 7476^2 + 6761^2 .

It is a cyclic number.

It is not a de Polignac number, because 101601697 - 2¹⁹ = 101077409 is a prime.

It is not a weakly prime, because it can be changed into another prime (101601691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50800848 + 50800849.

It is an arithmetic number, because the mean of its divisors is an integer number (50800849).

Almost surely, 2^101601697 is an apocalyptic number.

It is an amenable number.

101601697 is a deficient number, since it is larger than the sum of its proper divisors (1).

101601697 is an equidigital number, since it uses as much as digits as its factorization.

101601697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 101601697 is about 10079.7667135703. The cubic root of 101601697 is about 466.6239087242.

Adding to 101601697 its reverse (796106101), we get a palindrome (897707798).

The spelling of 101601697 in words is "one hundred one million, six hundred one thousand, six hundred ninety-seven".