275665572025 has 6 divisors (see below), whose sum is σ = 341825309342. Its totient is φ = 220532457600.

The previous prime is 275665572001. The next prime is 275665572047. The reversal of 275665572025 is 520275566572.

It can be written as a sum of positive squares in 3 ways, for example, as 1248844921 + 274416727104 = 35339^2 + 523848^2 .

It is not a de Polignac number, because 275665572025 - 2²¹ = 275663474873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5513311416 + ... + 5513311465.

Almost surely, 2^275665572025 is an apocalyptic number.

275665572025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

275665572025 is a deficient number, since it is larger than the sum of its proper divisors (66159737317).

275665572025 is a wasteful number, since it uses less digits than its factorization.

275665572025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11026622891 (or 11026622886 counting only the distinct ones).

The product of its (nonzero) digits is 8820000, while the sum is 52.

The spelling of 275665572025 in words is "two hundred seventy-five billion, six hundred sixty-five million, five hundred seventy-two thousand, twenty-five".