272087161 has 2 divisors, whose sum is σ = 272087162. Its totient is φ = 272087160.

The previous prime is 272087129. The next prime is 272087191. The reversal of 272087161 is 161780272.

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., 226321936 + 45765225 = 15044^2 + 6765^2 .

It is a cyclic number.

It is not a de Polignac number, because 272087161 - 2⁵ = 272087129 is a prime.

It is not a weakly prime, because it can be changed into another prime (272087191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136043580 + 136043581.

It is an arithmetic number, because the mean of its divisors is an integer number (136043581).

Almost surely, 2^272087161 is an apocalyptic number.

It is an amenable number.

272087161 is a deficient number, since it is larger than the sum of its proper divisors (1).

272087161 is an equidigital number, since it uses as much as digits as its factorization.

272087161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 272087161 is about 16495.0647467659. The cubic root of 272087161 is about 647.9915606595.

The spelling of 272087161 in words is "two hundred seventy-two million, eighty-seven thousand, one hundred sixty-one".