275660233 has 2 divisors, whose sum is σ = 275660234. Its totient is φ = 275660232.

The previous prime is 275660149. The next prime is 275660243. The reversal of 275660233 is 332066572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 259435449 + 16224784 = 16107^2 + 4028^2 .

It is a cyclic number.

It is not a de Polignac number, because 275660233 - 2⁹ = 275659721 is a prime.

It is a super-2 number, since 2×275660233² = 151977128115228578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (275660243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137830116 + 137830117.

It is an arithmetic number, because the mean of its divisors is an integer number (137830117).

Almost surely, 2^275660233 is an apocalyptic number.

It is an amenable number.

275660233 is a deficient number, since it is larger than the sum of its proper divisors (1).

275660233 is an equidigital number, since it uses as much as digits as its factorization.

275660233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 275660233 is about 16603.0187917740. The cubic root of 275660233 is about 650.8157277352.

The spelling of 275660233 in words is "two hundred seventy-five million, six hundred sixty thousand, two hundred thirty-three".