25057266 has 16 divisors (see below), whose sum is σ = 53969664. Its totient is φ = 7709904.

The previous prime is 25057259. The next prime is 25057289. The reversal of 25057266 is 66275052.

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 7 ways as a sum of consecutive naturals, for example, 160546 + ... + 160701.

It is an arithmetic number, because the mean of its divisors is an integer number (3373104).

Almost surely, 2^25057266 is an apocalyptic number.

25057266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25057266 is an abundant number, since it is smaller than the sum of its proper divisors (28912398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25057266 is a wasteful number, since it uses less digits than its factorization.

25057266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321265.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 25057266 is about 5005.7233243558. The cubic root of 25057266 is about 292.6248659664.

The spelling of 25057266 in words is "twenty-five million, fifty-seven thousand, two hundred sixty-six".