25840532 has 12 divisors (see below), whose sum is σ = 47601120. Its totient is φ = 12240216.

The previous prime is 25840531. The next prime is 25840543. The reversal of 25840532 is 23504852.

It is a super-3 number, since 3×25840532³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25840495 and 25840504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25840531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169928 + ... + 170079.

It is an arithmetic number, because the mean of its divisors is an integer number (3966760).

Almost surely, 2^25840532 is an apocalyptic number.

It is an amenable number.

25840532 is a deficient number, since it is larger than the sum of its proper divisors (21760588).

25840532 is a wasteful number, since it uses less digits than its factorization.

25840532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340030 (or 340028 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 25840532 is about 5083.3583387363. The cubic root of 25840532 is about 295.6426934062.

The spelling of 25840532 in words is "twenty-five million, eight hundred forty thousand, five hundred thirty-two".