27456461 has 2 divisors, whose sum is σ = 27456462. Its totient is φ = 27456460.

The previous prime is 27456449. The next prime is 27456509. The reversal of 27456461 is 16465472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27102436 + 354025 = 5206^2 + 595^2 .

It is a cyclic number.

It is not a de Polignac number, because 27456461 - 2¹⁸ = 27194317 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27456361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13728230 + 13728231.

It is an arithmetic number, because the mean of its divisors is an integer number (13728231).

Almost surely, 2^27456461 is an apocalyptic number.

It is an amenable number.

27456461 is a deficient number, since it is larger than the sum of its proper divisors (1).

27456461 is an equidigital number, since it uses as much as digits as its factorization.

27456461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 27456461 is about 5239.8913156668. The cubic root of 27456461 is about 301.6811577274.

It can be divided in two parts, 274564 and 61, that added together give a cube (274625 = 65³).

The spelling of 27456461 in words is "twenty-seven million, four hundred fifty-six thousand, four hundred sixty-one".