172628411 has 2 divisors, whose sum is σ = 172628412. Its totient is φ = 172628410.

The previous prime is 172628383. The next prime is 172628413. The reversal of 172628411 is 114826271.

It is a happy number.

172628411 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 is a cyclic number.

It is not a de Polignac number, because 172628411 - 2¹⁸ = 172366267 is a prime.

It is a Sophie Germain prime.

Together with 172628413, 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 (172628413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86314205 + 86314206.

It is an arithmetic number, because the mean of its divisors is an integer number (86314206).

Almost surely, 2^172628411 is an apocalyptic number.

172628411 is a deficient number, since it is larger than the sum of its proper divisors (1).

172628411 is an equidigital number, since it uses as much as digits as its factorization.

172628411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 32.

The square root of 172628411 is about 13138.8131503572. The cubic root of 172628411 is about 556.8062365721.

The spelling of 172628411 in words is "one hundred seventy-two million, six hundred twenty-eight thousand, four hundred eleven".