27401149 has 2 divisors, whose sum is σ = 27401150. Its totient is φ = 27401148.

The previous prime is 27401137. The next prime is 27401177. The reversal of 27401149 is 94110472.

It is an a-pointer prime, because the next prime (27401177) can be obtained adding 27401149 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27144100 + 257049 = 5210^2 + 507^2 .

It is a cyclic number.

It is not a de Polignac number, because 27401149 - 2¹³ = 27392957 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 (27401189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13700574 + 13700575.

It is an arithmetic number, because the mean of its divisors is an integer number (13700575).

Almost surely, 2^27401149 is an apocalyptic number.

It is an amenable number.

27401149 is a deficient number, since it is larger than the sum of its proper divisors (1).

27401149 is an equidigital number, since it uses as much as digits as its factorization.

27401149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 27401149 is about 5234.6106827538. The cubic root of 27401149 is about 301.4784391275.

The spelling of 27401149 in words is "twenty-seven million, four hundred one thousand, one hundred forty-nine".