275250025 has 12 divisors (see below), whose sum is σ = 342182092. Its totient is φ = 219637440.

The previous prime is 275250007. The next prime is 275250037. The reversal of 275250025 is 520052572.

It can be written as a sum of positive squares in 6 ways, for example, as 12194064 + 263055961 = 3492^2 + 16219^2 .

It is a de Polignac number, because none of the positive numbers 2^k-275250025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 275249975 and 275250002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3942 + ... + 23791.

Almost surely, 2^275250025 is an apocalyptic number.

275250025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

275250025 is a deficient number, since it is larger than the sum of its proper divisors (66932067).

275250025 is a wasteful number, since it uses less digits than its factorization.

275250025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28140 (or 28135 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 275250025 is about 16590.6607764730. The cubic root of 275250025 is about 650.4927427450.

The spelling of 275250025 in words is "two hundred seventy-five million, two hundred fifty thousand, twenty-five".