272430461 has 2 divisors, whose sum is σ = 272430462. Its totient is φ = 272430460.

The previous prime is 272430443. The next prime is 272430467. The reversal of 272430461 is 164034272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268763236 + 3667225 = 16394^2 + 1915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272430461 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272430467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136215230 + 136215231.

It is an arithmetic number, because the mean of its divisors is an integer number (136215231).

Almost surely, 2^272430461 is an apocalyptic number.

It is an amenable number.

272430461 is a deficient number, since it is larger than the sum of its proper divisors (1).

272430461 is an equidigital number, since it uses as much as digits as its factorization.

272430461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 272430461 is about 16505.4676092500. The cubic root of 272430461 is about 648.2639758273.

The spelling of 272430461 in words is "two hundred seventy-two million, four hundred thirty thousand, four hundred sixty-one".