276675449 has 2 divisors, whose sum is σ = 276675450. Its totient is φ = 276675448.

The previous prime is 276675433. The next prime is 276675479. The reversal of 276675449 is 944576672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275394025 + 1281424 = 16595^2 + 1132^2 .

It is a cyclic number.

It is not a de Polignac number, because 276675449 - 2⁴ = 276675433 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 276675397 and 276675406.

It is not a weakly prime, because it can be changed into another prime (276675409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138337724 + 138337725.

It is an arithmetic number, because the mean of its divisors is an integer number (138337725).

Almost surely, 2^276675449 is an apocalyptic number.

It is an amenable number.

276675449 is a deficient number, since it is larger than the sum of its proper divisors (1).

276675449 is an equidigital number, since it uses as much as digits as its factorization.

276675449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 50.

The square root of 276675449 is about 16633.5639295973. The cubic root of 276675449 is about 651.6137017223.

The spelling of 276675449 in words is "two hundred seventy-six million, six hundred seventy-five thousand, four hundred forty-nine".