25131332 has 12 divisors (see below), whose sum is σ = 44029440. Its totient is φ = 12551496.

The previous prime is 25131331. The next prime is 25131343. The reversal of 25131332 is 23313152.

It is not an unprimeable number, because it can be changed into a prime (25131331) 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, 1133 + ... + 7179.

It is an arithmetic number, because the mean of its divisors is an integer number (3669120).

Almost surely, 2^25131332 is an apocalyptic number.

It is an amenable number.

25131332 is a deficient number, since it is larger than the sum of its proper divisors (18898108).

25131332 is a wasteful number, since it uses less digits than its factorization.

25131332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7090 (or 7088 counting only the distinct ones).

The product of its digits is 540, while the sum is 20.

The square root of 25131332 is about 5013.1159970621. The cubic root of 25131332 is about 292.9129026260.

Adding to 25131332 its reverse (23313152), we get a palindrome (48444484).

The spelling of 25131332 in words is "twenty-five million, one hundred thirty-one thousand, three hundred thirty-two".