253275161 has 2 divisors, whose sum is σ = 253275162. Its totient is φ = 253275160.

The previous prime is 253275157. The next prime is 253275167. The reversal of 253275161 is 161572352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240715225 + 12559936 = 15515^2 + 3544^2 .

It is a cyclic number.

It is not a de Polignac number, because 253275161 - 2² = 253275157 is a prime.

It is not a weakly prime, because it can be changed into another prime (253275167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126637580 + 126637581.

It is an arithmetic number, because the mean of its divisors is an integer number (126637581).

Almost surely, 2^253275161 is an apocalyptic number.

It is an amenable number.

253275161 is a deficient number, since it is larger than the sum of its proper divisors (1).

253275161 is an equidigital number, since it uses as much as digits as its factorization.

253275161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 32.

The square root of 253275161 is about 15914.6209819775. The cubic root of 253275161 is about 632.6995613530.

The spelling of 253275161 in words is "two hundred fifty-three million, two hundred seventy-five thousand, one hundred sixty-one".