25670232 has 144 divisors (see below), whose sum is σ = 83650320. Its totient is φ = 6963840.

The previous prime is 25670171. The next prime is 25670243. The reversal of 25670232 is 23207652.

It is a junction number, because it is equal to n+sod(n) for n = 25670196 and 25670205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 484318 + ... + 484370.

It is an arithmetic number, because the mean of its divisors is an integer number (580905).

Almost surely, 2^25670232 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 25670232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41825160).

25670232 is an abundant number, since it is smaller than the sum of its proper divisors (57980088).

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

25670232 is a wasteful number, since it uses less digits than its factorization.

25670232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 25670232 is about 5066.5799115380. The cubic root of 25670232 is about 294.9917914023.

Adding to 25670232 its reverse (23207652), we get a palindrome (48877884).

The spelling of 25670232 in words is "twenty-five million, six hundred seventy thousand, two hundred thirty-two".