172827241 has 2 divisors, whose sum is σ = 172827242. Its totient is φ = 172827240.

The previous prime is 172827233. The next prime is 172827247. The reversal of 172827241 is 142728271.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159896025 + 12931216 = 12645^2 + 3596^2 .

It is a cyclic number.

It is not a de Polignac number, because 172827241 - 2³ = 172827233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172827197 and 172827206.

It is not a weakly prime, because it can be changed into another prime (172827247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86413620 + 86413621.

It is an arithmetic number, because the mean of its divisors is an integer number (86413621).

Almost surely, 2^172827241 is an apocalyptic number.

It is an amenable number.

172827241 is a deficient number, since it is larger than the sum of its proper divisors (1).

172827241 is an equidigital number, since it uses as much as digits as its factorization.

172827241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12544, while the sum is 34.

The square root of 172827241 is about 13146.3774858324. The cubic root of 172827241 is about 557.0199273663.

The spelling of 172827241 in words is "one hundred seventy-two million, eight hundred twenty-seven thousand, two hundred forty-one".