172265411 has 2 divisors, whose sum is σ = 172265412. Its totient is φ = 172265410.

The previous prime is 172265389. The next prime is 172265413. The reversal of 172265411 is 114562271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172265411 - 2⁶ = 172265347 is a prime.

Together with 172265413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (172265413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86132705 + 86132706.

It is an arithmetic number, because the mean of its divisors is an integer number (86132706).

Almost surely, 2^172265411 is an apocalyptic number.

172265411 is a deficient number, since it is larger than the sum of its proper divisors (1).

172265411 is an equidigital number, since it uses as much as digits as its factorization.

172265411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 29.

The square root of 172265411 is about 13124.9918476165. The cubic root of 172265411 is about 556.4156818920.

The spelling of 172265411 in words is "one hundred seventy-two million, two hundred sixty-five thousand, four hundred eleven".