276610045 has 4 divisors (see below), whose sum is σ = 331932060. Its totient is φ = 221288032.

The previous prime is 276610001. The next prime is 276610057. The reversal of 276610045 is 540016672.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 135047641 + 141562404 = 11621^2 + 11898^2 .

It is a cyclic number.

It is not a de Polignac number, because 276610045 - 2¹¹ = 276607997 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 276609989 and 276610016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27661000 + ... + 27661009.

It is an arithmetic number, because the mean of its divisors is an integer number (82983015).

Almost surely, 2^276610045 is an apocalyptic number.

It is an amenable number.

276610045 is a deficient number, since it is larger than the sum of its proper divisors (55322015).

276610045 is an equidigital number, since it uses as much as digits as its factorization.

276610045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55322014.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 276610045 is about 16631.5977885470. The cubic root of 276610045 is about 651.5623521461.

The spelling of 276610045 in words is "two hundred seventy-six million, six hundred ten thousand, forty-five".