25900424 has 32 divisors (see below), whose sum is σ = 53589600. Its totient is φ = 11637120.

The previous prime is 25900421. The next prime is 25900429. The reversal of 25900424 is 42400952.

It is a junction number, because it is equal to n+sod(n) for n = 25900393 and 25900402.

It is not an unprimeable number, because it can be changed into a prime (25900421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6179 + ... + 9485.

It is an arithmetic number, because the mean of its divisors is an integer number (1674675).

Almost surely, 2^25900424 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 25900424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26794800).

25900424 is an abundant number, since it is smaller than the sum of its proper divisors (27689176).

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

25900424 is a wasteful number, since it uses less digits than its factorization.

25900424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413 (or 3409 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 25900424 is about 5089.2459166364. The cubic root of 25900424 is about 295.8709261932.

The spelling of 25900424 in words is "twenty-five million, nine hundred thousand, four hundred twenty-four".