25275 has 12 divisors (see below), whose sum is σ = 41912. Its totient is φ = 13440.

The previous prime is 25261. The next prime is 25301. The reversal of 25275 is 57252.

It is not a de Polignac number, because 25275 - 2⁵ = 25243 is a prime.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2¹³ + 5² + 2¹⁴ + 7² + 5⁴ .

It is a Duffinian number.

Its product of digits (700) is a multiple of the sum of its prime factors (350).

It is a plaindrome in base 7.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94 + ... + 243.

2²⁵²⁷⁵ is an apocalyptic number.

25275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25275 is a deficient number, since it is larger than the sum of its proper divisors (16637).

25275 is a wasteful number, since it uses less digits than its factorization.

25275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 345 counting only the distinct ones).

The product of its digits is 700, while the sum is 21.

The square root of 25275 is about 158.9811309558. The cubic root of 25275 is about 29.3470006328.

It can be divided in two parts, 25 and 275, that added together give a triangular number (300 = T₂₄).

The spelling of 25275 in words is "twenty-five thousand, two hundred seventy-five".