172353079 has 2 divisors, whose sum is σ = 172353080. Its totient is φ = 172353078.

The previous prime is 172353043. The next prime is 172353113. The reversal of 172353079 is 970353271.

It is a strong prime.

It is an emirp because it is prime and its reverse (970353271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172353079 - 2⁹ = 172352567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172353679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86176539 + 86176540.

It is an arithmetic number, because the mean of its divisors is an integer number (86176540).

Almost surely, 2^172353079 is an apocalyptic number.

172353079 is a deficient number, since it is larger than the sum of its proper divisors (1).

172353079 is an equidigital number, since it uses as much as digits as its factorization.

172353079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 172353079 is about 13128.3311582242. The cubic root of 172353079 is about 556.5100548272.

The spelling of 172353079 in words is "one hundred seventy-two million, three hundred fifty-three thousand, seventy-nine".