27050381 has 2 divisors, whose sum is σ = 27050382. Its totient is φ = 27050380.

The previous prime is 27050377. The next prime is 27050431. The reversal of 27050381 is 18305072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24344356 + 2706025 = 4934^2 + 1645^2 .

It is a cyclic number.

It is not a de Polignac number, because 27050381 - 2² = 27050377 is a prime.

It is a super-2 number, since 2×27050381² = 1463446224490322, which contains 22 as substring.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27050381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27050981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13525190 + 13525191.

It is an arithmetic number, because the mean of its divisors is an integer number (13525191).

Almost surely, 2^27050381 is an apocalyptic number.

It is an amenable number.

27050381 is a deficient number, since it is larger than the sum of its proper divisors (1).

27050381 is an equidigital number, since it uses as much as digits as its factorization.

27050381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 27050381 is about 5200.9980772925. The cubic root of 27050381 is about 300.1864803559.

The spelling of 27050381 in words is "twenty-seven million, fifty thousand, three hundred eighty-one".