275528082825 has 18 divisors (see below), whose sum is σ = 493501410974. Its totient is φ = 146948310720.

The previous prime is 275528082821. The next prime is 275528082839. The reversal of 275528082825 is 528280825572.

275528082825 is a `hidden beast` number, since 2 + 7 + 552 + 8 + 0 + 8 + 2 + 82 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 680583744 + 274847499081 = 26088^2 + 524259^2 .

It is not a de Polignac number, because 275528082825 - 2² = 275528082821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275528082821) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 612284404 + ... + 612284853.

Almost surely, 2^275528082825 is an apocalyptic number.

275528082825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

275528082825 is a deficient number, since it is larger than the sum of its proper divisors (217973328149).

275528082825 is a wasteful number, since it uses less digits than its factorization.

275528082825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224569273 (or 1224569265 counting only the distinct ones).

The product of its (nonzero) digits is 7168000, while the sum is 54.

The spelling of 275528082825 in words is "two hundred seventy-five billion, five hundred twenty-eight million, eighty-two thousand, eight hundred twenty-five".