276187036225 has 9 divisors (see below), whose sum is σ = 342475183267. Its totient is φ = 220947526840.

The previous prime is 276187036217. The next prime is 276187036249. The reversal of 276187036225 is 522630781672.

The square root of 276187036225 is 525535.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 99427333041 + 176759703184 = 315321^2 + 420428^2 .

It is not a de Polignac number, because 276187036225 - 2³ = 276187036217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2575122 + ... + 2680228.

Almost surely, 2^276187036225 is an apocalyptic number.

276187036225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

276187036225 is the 525535-th square number.

276187036225 is the 262768-th centered octagonal number.

It is an amenable number.

276187036225 is a deficient number, since it is larger than the sum of its proper divisors (66288147042).

276187036225 is an frugal number, since it uses more digits than its factorization.

276187036225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210224 (or 105112 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

Multiplying 276187036225 by its sum of digits (49), we get a square (13533164775025 = 3678745²).

The spelling of 276187036225 in words is "two hundred seventy-six billion, one hundred eighty-seven million, thirty-six thousand, two hundred twenty-five".