25103320 has 64 divisors (see below), whose sum is σ = 62726400. Its totient is φ = 8964480.

The previous prime is 25103293. The next prime is 25103329. The reversal of 25103320 is 2330152.

It is a junction number, because it is equal to n+sod(n) for n = 25103294 and 25103303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25103329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25477 + ... + 26443.

It is an arithmetic number, because the mean of its divisors is an integer number (980100).

Almost surely, 2^25103320 is an apocalyptic number.

25103320 is a gapful number since it is divisible by the number (20) 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 25103320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31363200).

25103320 is an abundant number, since it is smaller than the sum of its proper divisors (37623080).

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

25103320 is a wasteful number, since it uses less digits than its factorization.

25103320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 25103320 is about 5010.3213469797. The cubic root of 25103320 is about 292.8040328607.

Adding to 25103320 its reverse (2330152), we get a palindrome (27433472).

The spelling of 25103320 in words is "twenty-five million, one hundred three thousand, three hundred twenty".