25487632 has 20 divisors (see below), whose sum is σ = 49498816. Its totient is φ = 12713760.

The previous prime is 25487629. The next prime is 25487633. The reversal of 25487632 is 23678452.

It is a junction number, because it is equal to n+sod(n) for n = 25487591 and 25487600.

It is not an unprimeable number, because it can be changed into a prime (25487633) 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, 6157 + ... + 9427.

Almost surely, 2^25487632 is an apocalyptic number.

It is an amenable number.

25487632 is a deficient number, since it is larger than the sum of its proper divisors (24011184).

25487632 is a wasteful number, since it uses less digits than its factorization.

25487632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766 (or 3760 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 25487632 is about 5048.5277061734. The cubic root of 25487632 is about 294.2906715385.

The spelling of 25487632 in words is "twenty-five million, four hundred eighty-seven thousand, six hundred thirty-two".