25126320 has 40 divisors (see below), whose sum is σ = 77892336. Its totient is φ = 6700288.

The previous prime is 25126301. The next prime is 25126331. The reversal of 25126320 is 2362152.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52107 + ... + 52586.

Almost surely, 2^25126320 is an apocalyptic number.

25126320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25126320 is an abundant number, since it is smaller than the sum of its proper divisors (52766016).

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

25126320 is a wasteful number, since it uses less digits than its factorization.

25126320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104709 (or 104703 counting only the distinct ones).

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

The square root of 25126320 is about 5012.6160834439. The cubic root of 25126320 is about 292.8934292309.

Adding to 25126320 its reverse (2362152), we get a palindrome (27488472).

The spelling of 25126320 in words is "twenty-five million, one hundred twenty-six thousand, three hundred twenty".