25148032 has 128 divisors (see below), whose sum is σ = 65802240. Its totient is φ = 9289728.

The previous prime is 25148027. The next prime is 25148069. The reversal of 25148032 is 23084152.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 25147988 and 25148006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197953 + ... + 198079.

It is an arithmetic number, because the mean of its divisors is an integer number (514080).

Almost surely, 2^25148032 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 25148032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32901120).

25148032 is an abundant number, since it is smaller than the sum of its proper divisors (40654208).

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

25148032 is a wasteful number, since it uses less digits than its factorization.

25148032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 25148032 is about 5014.7813511658. The cubic root of 25148032 is about 292.9777693610.

The spelling of 25148032 in words is "twenty-five million, one hundred forty-eight thousand, thirty-two".