27355451 has 2 divisors, whose sum is σ = 27355452. Its totient is φ = 27355450.

The previous prime is 27355399. The next prime is 27355477. The reversal of 27355451 is 15455372.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27355451 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27355481) 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, 13677725 + 13677726.

It is an arithmetic number, because the mean of its divisors is an integer number (13677726).

Almost surely, 2^27355451 is an apocalyptic number.

27355451 is a deficient number, since it is larger than the sum of its proper divisors (1).

27355451 is an equidigital number, since it uses as much as digits as its factorization.

27355451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21000, while the sum is 32.

The square root of 27355451 is about 5230.2438757672. The cubic root of 27355451 is about 301.3107499598.

The spelling of 27355451 in words is "twenty-seven million, three hundred fifty-five thousand, four hundred fifty-one".