275470231 has 2 divisors, whose sum is σ = 275470232. Its totient is φ = 275470230.

The previous prime is 275470213. The next prime is 275470289. The reversal of 275470231 is 132074572.

Together with previous prime (275470213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 275470231 - 2¹⁷ = 275339159 is a prime.

It is a super-2 number, since 2×275470231² = 151767696334386722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 275470193 and 275470202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275470331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137735115 + 137735116.

It is an arithmetic number, because the mean of its divisors is an integer number (137735116).

Almost surely, 2^275470231 is an apocalyptic number.

275470231 is a deficient number, since it is larger than the sum of its proper divisors (1).

275470231 is an equidigital number, since it uses as much as digits as its factorization.

275470231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 275470231 is about 16597.2958942112. The cubic root of 275470231 is about 650.6661659480. Note that the first 3 decimals are identical.

The spelling of 275470231 in words is "two hundred seventy-five million, four hundred seventy thousand, two hundred thirty-one".