276324121 has 2 divisors, whose sum is σ = 276324122. Its totient is φ = 276324120.

The previous prime is 276324109. The next prime is 276324127. The reversal of 276324121 is 121423672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265690000 + 10634121 = 16300^2 + 3261^2 .

It is a cyclic number.

It is not a de Polignac number, because 276324121 - 2⁵ = 276324089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 276324121.

It is not a weakly prime, because it can be changed into another prime (276324127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138162060 + 138162061.

It is an arithmetic number, because the mean of its divisors is an integer number (138162061).

Almost surely, 2^276324121 is an apocalyptic number.

It is an amenable number.

276324121 is a deficient number, since it is larger than the sum of its proper divisors (1).

276324121 is an equidigital number, since it uses as much as digits as its factorization.

276324121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 276324121 is about 16622.9997593695. Note that the first 3 decimals coincide. The cubic root of 276324121 is about 651.3377742076.

Adding to 276324121 its reverse (121423672), we get a palindrome (397747793).

The spelling of 276324121 in words is "two hundred seventy-six million, three hundred twenty-four thousand, one hundred twenty-one".