27242351 has 2 divisors, whose sum is σ = 27242352. Its totient is φ = 27242350.

The previous prime is 27242311. The next prime is 27242377. The reversal of 27242351 is 15324272.

It is an a-pointer prime, because the next prime (27242377) can be obtained adding 27242351 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27242351 - 2⁶ = 27242287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27242351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27242311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13621175 + 13621176.

It is an arithmetic number, because the mean of its divisors is an integer number (13621176).

Almost surely, 2^27242351 is an apocalyptic number.

27242351 is a deficient number, since it is larger than the sum of its proper divisors (1).

27242351 is an equidigital number, since it uses as much as digits as its factorization.

27242351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 26.

The square root of 27242351 is about 5219.4205617099. The cubic root of 27242351 is about 300.8949240118.

The spelling of 27242351 in words is "twenty-seven million, two hundred forty-two thousand, three hundred fifty-one".