9172132201 has 2 divisors, whose sum is σ = 9172132202. Its totient is φ = 9172132200.

The previous prime is 9172132199. The next prime is 9172132217. The reversal of 9172132201 is 1022312719.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9163275625 + 8856576 = 95725^2 + 2976^2 .

It is an emirp because it is prime and its reverse (1022312719) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9172132201 - 2¹ = 9172132199 is a prime.

It is a super-2 number, since 2×9172132201² (a number of 21 digits) contains 22 as substring.

Together with 9172132199, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9172132201.

It is not a weakly prime, because it can be changed into another prime (9172139201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4586066100 + 4586066101.

It is an arithmetic number, because the mean of its divisors is an integer number (4586066101).

Almost surely, 2^9172132201 is an apocalyptic number.

It is an amenable number.

9172132201 is a deficient number, since it is larger than the sum of its proper divisors (1).

9172132201 is an equidigital number, since it uses as much as digits as its factorization.

9172132201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 9172132201 is about 95771.2493444666. The cubic root of 9172132201 is about 2093.2612562210.

The spelling of 9172132201 in words is "nine billion, one hundred seventy-two million, one hundred thirty-two thousand, two hundred one".