25165234 has 16 divisors (see below), whose sum is σ = 40661280. Its totient is φ = 11642400.

The previous prime is 25165193. The next prime is 25165237. The reversal of 25165234 is 43256152.

It is not an unprimeable number, because it can be changed into a prime (25165237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6067 + ... + 9334.

It is an arithmetic number, because the mean of its divisors is an integer number (2541330).

Almost surely, 2^25165234 is an apocalyptic number.

25165234 is a deficient number, since it is larger than the sum of its proper divisors (15496046).

25165234 is a wasteful number, since it uses less digits than its factorization.

25165234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15465.

The product of its digits is 7200, while the sum is 28.

The square root of 25165234 is about 5016.4961875795. The cubic root of 25165234 is about 293.0445559641.

It can be divided in two parts, 2516 and 5234, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 25165234 in words is "twenty-five million, one hundred sixty-five thousand, two hundred thirty-four".