272553161 has 2 divisors, whose sum is σ = 272553162. Its totient is φ = 272553160.

The previous prime is 272553133. The next prime is 272553173. The reversal of 272553161 is 161355272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181063936 + 91489225 = 13456^2 + 9565^2 .

It is a cyclic number.

It is not a de Polignac number, because 272553161 - 2¹⁸ = 272291017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (272553181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136276580 + 136276581.

It is an arithmetic number, because the mean of its divisors is an integer number (136276581).

Almost surely, 2^272553161 is an apocalyptic number.

It is an amenable number.

272553161 is a deficient number, since it is larger than the sum of its proper divisors (1).

272553161 is an equidigital number, since it uses as much as digits as its factorization.

272553161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 32.

The square root of 272553161 is about 16509.1841409562. The cubic root of 272553161 is about 648.3612851259.

The spelling of 272553161 in words is "two hundred seventy-two million, five hundred fifty-three thousand, one hundred sixty-one".