275823157 has 2 divisors, whose sum is σ = 275823158. Its totient is φ = 275823156.

The previous prime is 275823103. The next prime is 275823179. The reversal of 275823157 is 751328572.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208484721 + 67338436 = 14439^2 + 8206^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275823157 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275853157) 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, 137911578 + 137911579.

It is an arithmetic number, because the mean of its divisors is an integer number (137911579).

Almost surely, 2^275823157 is an apocalyptic number.

It is an amenable number.

275823157 is a deficient number, since it is larger than the sum of its proper divisors (1).

275823157 is an equidigital number, since it uses as much as digits as its factorization.

275823157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 40.

The square root of 275823157 is about 16607.9245241541. The cubic root of 275823157 is about 650.9439201088.

The spelling of 275823157 in words is "two hundred seventy-five million, eight hundred twenty-three thousand, one hundred fifty-seven".