25787452 has 6 divisors (see below), whose sum is σ = 45128048. Its totient is φ = 12893724.

The previous prime is 25787441. The next prime is 25787459. The reversal of 25787452 is 25478752.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25787459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3223428 + ... + 3223435.

Almost surely, 2^25787452 is an apocalyptic number.

It is an amenable number.

25787452 is a deficient number, since it is larger than the sum of its proper divisors (19340596).

25787452 is a wasteful number, since it uses less digits than its factorization.

25787452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6446867 (or 6446865 counting only the distinct ones).

The product of its digits is 156800, while the sum is 40.

The square root of 25787452 is about 5078.1346969138. The cubic root of 25787452 is about 295.4401244157.

The spelling of 25787452 in words is "twenty-five million, seven hundred eighty-seven thousand, four hundred fifty-two".