25124028 has 48 divisors (see below), whose sum is σ = 62705664. Its totient is φ = 7801600.

The previous prime is 25123993. The next prime is 25124041. The reversal of 25124028 is 82042152.

It is a junction number, because it is equal to n+sod(n) for n = 25123989 and 25124007.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 21253 + ... + 22403.

It is an arithmetic number, because the mean of its divisors is an integer number (1306368).

Almost surely, 2^25124028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25124028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31352832).

25124028 is an abundant number, since it is smaller than the sum of its proper divisors (37581636).

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

25124028 is a wasteful number, since it uses less digits than its factorization.

25124028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 25124028 is about 5012.3874550956. The cubic root of 25124028 is about 292.8845231362.

The spelling of 25124028 in words is "twenty-five million, one hundred twenty-four thousand, twenty-eight".