25553132 has 24 divisors (see below), whose sum is σ = 48986112. Its totient is φ = 11566800.

The previous prime is 25553123. The next prime is 25553153. The reversal of 25553132 is 23135552.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 10853 + ... + 12995.

It is an arithmetic number, because the mean of its divisors is an integer number (2041088).

Almost surely, 2^25553132 is an apocalyptic number.

25553132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25553132 is a deficient number, since it is larger than the sum of its proper divisors (23432980).

25553132 is a wasteful number, since it uses less digits than its factorization.

25553132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429 (or 2427 counting only the distinct ones).

The product of its digits is 4500, while the sum is 26.

The square root of 25553132 is about 5055.0105835695. The cubic root of 25553132 is about 294.5425525318.

Adding to 25553132 its reverse (23135552), we get a palindrome (48688684).

The spelling of 25553132 in words is "twenty-five million, five hundred fifty-three thousand, one hundred thirty-two".