132572173 has 2 divisors, whose sum is σ = 132572174. Its totient is φ = 132572172.

The previous prime is 132572113. The next prime is 132572197. The reversal of 132572173 is 371275231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125507209 + 7064964 = 11203^2 + 2658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132572173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132572113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66286086 + 66286087.

It is an arithmetic number, because the mean of its divisors is an integer number (66286087).

Almost surely, 2^132572173 is an apocalyptic number.

It is an amenable number.

132572173 is a deficient number, since it is larger than the sum of its proper divisors (1).

132572173 is an equidigital number, since it uses as much as digits as its factorization.

132572173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 31.

The square root of 132572173 is about 11513.9990012159. Note that the first 3 decimals coincide. The cubic root of 132572173 is about 509.8989585809.

The spelling of 132572173 in words is "one hundred thirty-two million, five hundred seventy-two thousand, one hundred seventy-three".