25953928 has 96 divisors (see below), whose sum is σ = 66648960. Its totient is φ = 9313920.

The previous prime is 25953919. The next prime is 25953929. The reversal of 25953928 is 82935952.

It is a happy number.

It is a cake number, because a cake can be divided into 25953928 parts by 538 planar cuts.

It is not an unprimeable number, because it can be changed into a prime (25953929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55825 + ... + 56287.

It is an arithmetic number, because the mean of its divisors is an integer number (694260).

Almost surely, 2^25953928 is an apocalyptic number.

25953928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25953928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33324480).

25953928 is an abundant number, since it is smaller than the sum of its proper divisors (40695032).

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

25953928 is a wasteful number, since it uses less digits than its factorization.

25953928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 496 counting only the distinct ones).

The product of its digits is 194400, while the sum is 43.

The square root of 25953928 is about 5094.4997791736. The cubic root of 25953928 is about 296.0745186134.

The spelling of 25953928 in words is "twenty-five million, nine hundred fifty-three thousand, nine hundred twenty-eight".