25152732 has 72 divisors (see below), whose sum is σ = 73032960. Its totient is φ = 7218720.

The previous prime is 25152727. The next prime is 25152733. The reversal of 25152732 is 23725152.

It is a junction number, because it is equal to n+sod(n) for n = 25152696 and 25152705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25152733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5853 + ... + 9195.

Almost surely, 2^25152732 is an apocalyptic number.

25152732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25152732 is the 2508-th decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25152732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36516480).

25152732 is an abundant number, since it is smaller than the sum of its proper divisors (47880228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25152732 is a wasteful number, since it uses less digits than its factorization.

25152732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383 (or 3378 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 25152732 is about 5015.2499439210. The cubic root of 25152732 is about 292.9960200898.

Adding to 25152732 its reverse (23725152), we get a palindrome (48877884).

The spelling of 25152732 in words is "twenty-five million, one hundred fifty-two thousand, seven hundred thirty-two".