25166233 has 4 divisors (see below), whose sum is σ = 25187940. Its totient is φ = 25144528.

The previous prime is 25166231. The next prime is 25166257. The reversal of 25166233 is 33266152.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23011209 + 2155024 = 4797^2 + 1468^2 .

It is a cyclic number.

It is not a de Polignac number, because 25166233 - 2¹ = 25166231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25166231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9010 + ... + 11467.

It is an arithmetic number, because the mean of its divisors is an integer number (6296985).

Almost surely, 2^25166233 is an apocalyptic number.

It is an amenable number.

25166233 is a deficient number, since it is larger than the sum of its proper divisors (21707).

25166233 is a wasteful number, since it uses less digits than its factorization.

25166233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21706.

The product of its digits is 6480, while the sum is 28.

The square root of 25166233 is about 5016.5957580814. The cubic root of 25166233 is about 293.0484336370.

It can be divided in two parts, 251662 and 33, that added together give a triangular number (251695 = T₇₀₉).

The spelling of 25166233 in words is "twenty-five million, one hundred sixty-six thousand, two hundred thirty-three".