276560245 has 16 divisors (see below), whose sum is σ = 358752240. Its totient is φ = 203457024.

The previous prime is 276560243. The next prime is 276560287. The reversal of 276560245 is 542065672.

It can be written as a sum of positive squares in 8 ways, for example, as 24830289 + 251729956 = 4983^2 + 15866^2 .

It is a cyclic number.

It is not a de Polignac number, because 276560245 - 2¹ = 276560243 is a prime.

It is a super-2 number, since 2×276560245² = 152971138228920050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276560243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9577 + ... + 25393.

It is an arithmetic number, because the mean of its divisors is an integer number (22422015).

Almost surely, 2^276560245 is an apocalyptic number.

It is an amenable number.

276560245 is a deficient number, since it is larger than the sum of its proper divisors (82191995).

276560245 is a wasteful number, since it uses less digits than its factorization.

276560245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16104.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 276560245 is about 16630.1005709527. The cubic root of 276560245 is about 651.5232480557.

The spelling of 276560245 in words is "two hundred seventy-six million, five hundred sixty thousand, two hundred forty-five".