275150261 has 2 divisors, whose sum is σ = 275150262. Its totient is φ = 275150260.

The previous prime is 275150243. The next prime is 275150273. The reversal of 275150261 is 162051572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252206161 + 22944100 = 15881^2 + 4790^2 .

It is a cyclic number.

It is not a de Polignac number, because 275150261 - 2²² = 270955957 is a prime.

It is a super-2 number, since 2×275150261² = 151415332256736242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275150201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137575130 + 137575131.

It is an arithmetic number, because the mean of its divisors is an integer number (137575131).

Almost surely, 2^275150261 is an apocalyptic number.

It is an amenable number.

275150261 is a deficient number, since it is larger than the sum of its proper divisors (1).

275150261 is an equidigital number, since it uses as much as digits as its factorization.

275150261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 275150261 is about 16587.6538726849. The cubic root of 275150261 is about 650.4141431760.

The spelling of 275150261 in words is "two hundred seventy-five million, one hundred fifty thousand, two hundred sixty-one".