25122432 has 32 divisors (see below), whose sum is σ = 66732480. Its totient is φ = 8374016.

The previous prime is 25122403. The next prime is 25122451. The reversal of 25122432 is 23422152.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×25122432² = 1262273179189248, which contains 22 as substring.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 25122399 and 25122408.

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 3 ways as a sum of consecutive naturals, for example, 32328 + ... + 33095.

It is an arithmetic number, because the mean of its divisors is an integer number (2085390).

Almost surely, 2^25122432 is an apocalyptic number.

It is an amenable number.

25122432 is an abundant number, since it is smaller than the sum of its proper divisors (41610048).

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

25122432 is an equidigital number, since it uses as much as digits as its factorization.

25122432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65440 (or 65428 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 25122432 is about 5012.2282469975. The cubic root of 25122432 is about 292.8783211902.

Adding to 25122432 its reverse (23422152), we get a palindrome (48544584).

The spelling of 25122432 in words is "twenty-five million, one hundred twenty-two thousand, four hundred thirty-two".