27350261 has 2 divisors, whose sum is σ = 27350262. Its totient is φ = 27350260.

The previous prime is 27350251. The next prime is 27350293. The reversal of 27350261 is 16205372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22372900 + 4977361 = 4730^2 + 2231^2 .

It is a cyclic number.

It is not a de Polignac number, because 27350261 - 2¹⁰ = 27349237 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27350261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27350231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13675130 + 13675131.

It is an arithmetic number, because the mean of its divisors is an integer number (13675131).

Almost surely, 2^27350261 is an apocalyptic number.

It is an amenable number.

27350261 is a deficient number, since it is larger than the sum of its proper divisors (1).

27350261 is an equidigital number, since it uses as much as digits as its factorization.

27350261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 27350261 is about 5229.7476994593. The cubic root of 27350261 is about 301.2916934080.

The spelling of 27350261 in words is "twenty-seven million, three hundred fifty thousand, two hundred sixty-one".