25206275 has 24 divisors (see below), whose sum is σ = 33212160. Its totient is φ = 18935840.

The previous prime is 25206197. The next prime is 25206277. The reversal of 25206275 is 57260252.

It is a de Polignac number, because none of the positive numbers 2^k-25206275 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25206277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33554 + ... + 34296.

It is an arithmetic number, because the mean of its divisors is an integer number (1383840).

Almost surely, 2^25206275 is an apocalyptic number.

25206275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25206275 is a deficient number, since it is larger than the sum of its proper divisors (8005885).

25206275 is a wasteful number, since it uses less digits than its factorization.

25206275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 25206275 is about 5020.5851252618. The cubic root of 25206275 is about 293.2037744254.

The spelling of 25206275 in words is "twenty-five million, two hundred six thousand, two hundred seventy-five".