276479953 has 2 divisors, whose sum is σ = 276479954. Its totient is φ = 276479952.

The previous prime is 276479927. The next prime is 276480007. The reversal of 276479953 is 359974672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169833024 + 106646929 = 13032^2 + 10327^2 .

It is a cyclic number.

It is not a de Polignac number, because 276479953 - 2⁵ = 276479921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 276479953.

It is not a weakly prime, because it can be changed into another prime (276479923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138239976 + 138239977.

It is an arithmetic number, because the mean of its divisors is an integer number (138239977).

Almost surely, 2^276479953 is an apocalyptic number.

It is an amenable number.

276479953 is a deficient number, since it is larger than the sum of its proper divisors (1).

276479953 is an equidigital number, since it uses as much as digits as its factorization.

276479953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2857680, while the sum is 52.

The square root of 276479953 is about 16627.6863393558. The cubic root of 276479953 is about 651.4601910680.

The spelling of 276479953 in words is "two hundred seventy-six million, four hundred seventy-nine thousand, nine hundred fifty-three".