276049 has 2 divisors, whose sum is σ = 276050. Its totient is φ = 276048.

The previous prime is 276047. The next prime is 276079. The reversal of 276049 is 940672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140625 + 135424 = 375^2 + 368^2 .

It is a cyclic number.

It is not a de Polignac number, because 276049 - 2¹ = 276047 is a prime.

Together with 276047, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (276041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138024 + 138025.

It is an arithmetic number, because the mean of its divisors is an integer number (138025).

2²⁷⁶⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

276049 is a deficient number, since it is larger than the sum of its proper divisors (1).

276049 is an equidigital number, since it uses as much as digits as its factorization.

276049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 276049 is about 525.4036543459. The cubic root of 276049 is about 65.1121535147.

It can be divided in two parts, 2760 and 49, that added together give a square (2809 = 53²).

The spelling of 276049 in words is "two hundred seventy-six thousand, forty-nine".