275015161 has 2 divisors, whose sum is σ = 275015162. Its totient is φ = 275015160.

The previous prime is 275015131. The next prime is 275015179. The reversal of 275015161 is 161510572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236575161 + 38440000 = 15381^2 + 6200^2 .

It is a cyclic number.

It is not a de Polignac number, because 275015161 - 2⁵ = 275015129 is a prime.

It is not a weakly prime, because it can be changed into another prime (275015131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137507580 + 137507581.

It is an arithmetic number, because the mean of its divisors is an integer number (137507581).

Almost surely, 2^275015161 is an apocalyptic number.

It is an amenable number.

275015161 is a deficient number, since it is larger than the sum of its proper divisors (1).

275015161 is an equidigital number, since it uses as much as digits as its factorization.

275015161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 275015161 is about 16583.5810668263. The cubic root of 275015161 is about 650.3076736709.

The spelling of 275015161 in words is "two hundred seventy-five million, fifteen thousand, one hundred sixty-one".