172063589 has 2 divisors, whose sum is σ = 172063590. Its totient is φ = 172063588.

The previous prime is 172063519. The next prime is 172063603. The reversal of 172063589 is 985360271.

172063589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100661089 + 71402500 = 10033^2 + 8450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172063589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172063519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86031794 + 86031795.

It is an arithmetic number, because the mean of its divisors is an integer number (86031795).

Almost surely, 2^172063589 is an apocalyptic number.

It is an amenable number.

172063589 is a deficient number, since it is larger than the sum of its proper divisors (1).

172063589 is an equidigital number, since it uses as much as digits as its factorization.

172063589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 172063589 is about 13117.3011324739. The cubic root of 172063589 is about 556.1983025809.

The spelling of 172063589 in words is "one hundred seventy-two million, sixty-three thousand, five hundred eighty-nine".