25008330 has 64 divisors (see below), whose sum is σ = 62208000. Its totient is φ = 6431040.

The previous prime is 25008323. The next prime is 25008331. The reversal of 25008330 is 3380052.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25008297 and 25008306.

It is not an unprimeable number, because it can be changed into a prime (25008331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125571 + ... + 125769.

It is an arithmetic number, because the mean of its divisors is an integer number (972000).

Almost surely, 2^25008330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25008330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31104000).

25008330 is an abundant number, since it is smaller than the sum of its proper divisors (37199670).

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

25008330 is a wasteful number, since it uses less digits than its factorization.

25008330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 25008330 is about 5000.8329306227. The cubic root of 25008330 is about 292.4342463053.

Adding to 25008330 its reverse (3380052), we get a palindrome (28388382).

The spelling of 25008330 in words is "twenty-five million, eight thousand, three hundred thirty".