172065367 has 2 divisors, whose sum is σ = 172065368. Its totient is φ = 172065366.

The previous prime is 172065353. The next prime is 172065371. The reversal of 172065367 is 763560271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172065367 - 2¹¹ = 172063319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172065337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86032683 + 86032684.

It is an arithmetic number, because the mean of its divisors is an integer number (86032684).

Almost surely, 2^172065367 is an apocalyptic number.

172065367 is a deficient number, since it is larger than the sum of its proper divisors (1).

172065367 is an equidigital number, since it uses as much as digits as its factorization.

172065367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 172065367 is about 13117.3689053865. The cubic root of 172065367 is about 556.2002183787.

The spelling of 172065367 in words is "one hundred seventy-two million, sixty-five thousand, three hundred sixty-seven".