25216275 has 48 divisors (see below), whose sum is σ = 48798464. Its totient is φ = 11249280.

The previous prime is 25216273. The next prime is 25216291. The reversal of 25216275 is 57261252.

It is not a de Polignac number, because 25216275 - 2¹ = 25216273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25216273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22017 + ... + 23133.

Almost surely, 2^25216275 is an apocalyptic number.

25216275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25216275 is a deficient number, since it is larger than the sum of its proper divisors (23582189).

25216275 is a wasteful number, since it uses less digits than its factorization.

25216275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180 (or 1175 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 25216275 is about 5021.5809263617. The cubic root of 25216275 is about 293.2425432120.

The spelling of 25216275 in words is "twenty-five million, two hundred sixteen thousand, two hundred seventy-five".