25415328 has 24 divisors (see below), whose sum is σ = 66715488. Its totient is φ = 8471744.

The previous prime is 25415303. The next prime is 25415329. The reversal of 25415328 is 82351452.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 25415295 and 25415304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25415329) 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 3 ways as a sum of consecutive naturals, for example, 132276 + ... + 132467.

It is an arithmetic number, because the mean of its divisors is an integer number (2779812).

Almost surely, 2^25415328 is an apocalyptic number.

It is an amenable number.

25415328 is an abundant number, since it is smaller than the sum of its proper divisors (41300160).

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

25415328 is a wasteful number, since it uses less digits than its factorization.

25415328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264756 (or 264748 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 25415328 is about 5041.3617208052. The cubic root of 25415328 is about 294.0121240777.

The spelling of 25415328 in words is "twenty-five million, four hundred fifteen thousand, three hundred twenty-eight".