25305275 has 12 divisors (see below), whose sum is σ = 31453344. Its totient is φ = 20196000.

The previous prime is 25305257. The next prime is 25305307. The reversal of 25305275 is 57250352.

It is not a de Polignac number, because 25305275 - 2⁶ = 25305211 is a prime.

It is a Duffinian number.

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, 12590 + ... + 14460.

It is an arithmetic number, because the mean of its divisors is an integer number (2621112).

Almost surely, 2^25305275 is an apocalyptic number.

25305275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25305275 is a deficient number, since it is larger than the sum of its proper divisors (6148069).

25305275 is a wasteful number, since it uses less digits than its factorization.

25305275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422 (or 2417 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 25305275 is about 5030.4348718575. The cubic root of 25305275 is about 293.5871347071.

The spelling of 25305275 in words is "twenty-five million, three hundred five thousand, two hundred seventy-five".