272431057 has 2 divisors, whose sum is σ = 272431058. Its totient is φ = 272431056.

The previous prime is 272431013. The next prime is 272431079. The reversal of 272431057 is 750134272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143017681 + 129413376 = 11959^2 + 11376^2 .

It is a cyclic number.

It is not a de Polignac number, because 272431057 - 2¹¹ = 272429009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (272431157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136215528 + 136215529.

It is an arithmetic number, because the mean of its divisors is an integer number (136215529).

Almost surely, 2^272431057 is an apocalyptic number.

It is an amenable number.

272431057 is a deficient number, since it is larger than the sum of its proper divisors (1).

272431057 is an equidigital number, since it uses as much as digits as its factorization.

272431057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 272431057 is about 16505.4856638634. The cubic root of 272431057 is about 648.2644485658.

The spelling of 272431057 in words is "two hundred seventy-two million, four hundred thirty-one thousand, fifty-seven".