276532225 has 6 divisors (see below), whose sum is σ = 342899990. Its totient is φ = 221225760.

The previous prime is 276532199. The next prime is 276532231. The reversal of 276532225 is 522235672.

It can be written as a sum of positive squares in 3 ways, for example, as 22193521 + 254338704 = 4711^2 + 15948^2 .

It is not a de Polignac number, because 276532225 - 2²⁵ = 242977793 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5530620 + ... + 5530669.

Almost surely, 2^276532225 is an apocalyptic number.

276532225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

276532225 is a deficient number, since it is larger than the sum of its proper divisors (66367765).

276532225 is a wasteful number, since it uses less digits than its factorization.

276532225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11061299 (or 11061294 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 276532225 is about 16629.2581013105. The cubic root of 276532225 is about 651.5012440520.

Adding to 276532225 its reverse (522235672), we get a palindrome (798767897).

The spelling of 276532225 in words is "two hundred seventy-six million, five hundred thirty-two thousand, two hundred twenty-five".