272162461 has 2 divisors, whose sum is σ = 272162462. Its totient is φ = 272162460.

The previous prime is 272162459. The next prime is 272162489. The reversal of 272162461 is 164261272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162562500 + 109599961 = 12750^2 + 10469^2 .

It is a cyclic number.

It is not a de Polignac number, because 272162461 - 2¹ = 272162459 is a prime.

Together with 272162459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272162431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136081230 + 136081231.

It is an arithmetic number, because the mean of its divisors is an integer number (136081231).

Almost surely, 2^272162461 is an apocalyptic number.

It is an amenable number.

272162461 is a deficient number, since it is larger than the sum of its proper divisors (1).

272162461 is an equidigital number, since it uses as much as digits as its factorization.

272162461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 272162461 is about 16497.3470897596. The cubic root of 272162461 is about 648.0513322707.

The spelling of 272162461 in words is "two hundred seventy-two million, one hundred sixty-two thousand, four hundred sixty-one".