272868461 has 2 divisors, whose sum is σ = 272868462. Its totient is φ = 272868460.

The previous prime is 272868439. The next prime is 272868467. The reversal of 272868461 is 164868272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176730436 + 96138025 = 13294^2 + 9805^2 .

It is a cyclic number.

It is not a de Polignac number, because 272868461 - 2²² = 268674157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272868467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136434230 + 136434231.

It is an arithmetic number, because the mean of its divisors is an integer number (136434231).

Almost surely, 2^272868461 is an apocalyptic number.

It is an amenable number.

272868461 is a deficient number, since it is larger than the sum of its proper divisors (1).

272868461 is an equidigital number, since it uses as much as digits as its factorization.

272868461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 44.

The square root of 272868461 is about 16518.7306110367. The cubic root of 272868461 is about 648.6112052184.

The spelling of 272868461 in words is "two hundred seventy-two million, eight hundred sixty-eight thousand, four hundred sixty-one".