27799253 has 2 divisors, whose sum is σ = 27799254. Its totient is φ = 27799252.

The previous prime is 27799241. The next prime is 27799259. The reversal of 27799253 is 35299772.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21362884 + 6436369 = 4622^2 + 2537^2 .

It is a cyclic number.

It is not a de Polignac number, because 27799253 - 2¹⁰ = 27798229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27799259) 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, 13899626 + 13899627.

It is an arithmetic number, because the mean of its divisors is an integer number (13899627).

Almost surely, 2^27799253 is an apocalyptic number.

It is an amenable number.

27799253 is a deficient number, since it is larger than the sum of its proper divisors (1).

27799253 is an equidigital number, since it uses as much as digits as its factorization.

27799253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 238140, while the sum is 44.

The square root of 27799253 is about 5272.4996917971. The cubic root of 27799253 is about 302.9314581717.

The spelling of 27799253 in words is "twenty-seven million, seven hundred ninety-nine thousand, two hundred fifty-three".