172058629 has 2 divisors, whose sum is σ = 172058630. Its totient is φ = 172058628.

The previous prime is 172058599. The next prime is 172058633. The reversal of 172058629 is 926850271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121506529 + 50552100 = 11023^2 + 7110^2 .

It is an emirp because it is prime and its reverse (926850271) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172058629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172058591 and 172058600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172058639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86029314 + 86029315.

It is an arithmetic number, because the mean of its divisors is an integer number (86029315).

Almost surely, 2^172058629 is an apocalyptic number.

It is an amenable number.

172058629 is a deficient number, since it is larger than the sum of its proper divisors (1).

172058629 is an equidigital number, since it uses as much as digits as its factorization.

172058629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 172058629 is about 13117.1120678296. The cubic root of 172058629 is about 556.1929581031.

The spelling of 172058629 in words is "one hundred seventy-two million, fifty-eight thousand, six hundred twenty-nine".