25432436 has 12 divisors (see below), whose sum is σ = 45542112. Its totient is φ = 12420408.

The previous prime is 25432427. The next prime is 25432439. The reversal of 25432436 is 63423452.

It is a junction number, because it is equal to n+sod(n) for n = 25432399 and 25432408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25432439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73760 + ... + 74103.

It is an arithmetic number, because the mean of its divisors is an integer number (3795176).

Almost surely, 2^25432436 is an apocalyptic number.

It is an amenable number.

25432436 is a deficient number, since it is larger than the sum of its proper divisors (20109676).

25432436 is a wasteful number, since it uses less digits than its factorization.

25432436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147910 (or 147908 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 25432436 is about 5043.0581991486. The cubic root of 25432436 is about 294.0780794364.

Adding to 25432436 its reverse (63423452), we get a palindrome (88855888).

The spelling of 25432436 in words is "twenty-five million, four hundred thirty-two thousand, four hundred thirty-six".