27231233 has 2 divisors, whose sum is σ = 27231234. Its totient is φ = 27231232.

The previous prime is 27231163. The next prime is 27231247. The reversal of 27231233 is 33213272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16785409 + 10445824 = 4097^2 + 3232^2 .

It is a cyclic number.

It is not a de Polignac number, because 27231233 - 2⁸ = 27230977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27231199 and 27231208.

It is not a weakly prime, because it can be changed into another prime (27231293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13615616 + 13615617.

It is an arithmetic number, because the mean of its divisors is an integer number (13615617).

Almost surely, 2^27231233 is an apocalyptic number.

It is an amenable number.

27231233 is a deficient number, since it is larger than the sum of its proper divisors (1).

27231233 is an equidigital number, since it uses as much as digits as its factorization.

27231233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 23.

The square root of 27231233 is about 5218.3553922668. The cubic root of 27231233 is about 300.8539852425.

The spelling of 27231233 in words is "twenty-seven million, two hundred thirty-one thousand, two hundred thirty-three".