271849157 has 2 divisors, whose sum is σ = 271849158. Its totient is φ = 271849156.

The previous prime is 271849141. The next prime is 271849177. The reversal of 271849157 is 751948172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150651076 + 121198081 = 12274^2 + 11009^2 .

It is a cyclic number.

It is not a de Polignac number, because 271849157 - 2⁴ = 271849141 is a prime.

It is a super-2 number, since 2×271849157² = 147803928323221298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271849177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135924578 + 135924579.

It is an arithmetic number, because the mean of its divisors is an integer number (135924579).

Almost surely, 2^271849157 is an apocalyptic number.

It is an amenable number.

271849157 is a deficient number, since it is larger than the sum of its proper divisors (1).

271849157 is an equidigital number, since it uses as much as digits as its factorization.

271849157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 44.

The square root of 271849157 is about 16487.8487681080. The cubic root of 271849157 is about 647.8025653719.

The spelling of 271849157 in words is "two hundred seventy-one million, eight hundred forty-nine thousand, one hundred fifty-seven".