25969320 has 192 divisors, whose sum is σ = 94348800. Its totient is φ = 6151680.

The previous prime is 25969313. The next prime is 25969327. The reversal of 25969320 is 2396952.

It is an interprime number because it is at equal distance from previous prime (25969313) and next prime (25969327).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25969327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144991 + ... + 145169.

It is an arithmetic number, because the mean of its divisors is an integer number (491400).

Almost surely, 2^25969320 is an apocalyptic number.

25969320 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 25969320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47174400).

25969320 is an abundant number, since it is smaller than the sum of its proper divisors (68379480).

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

25969320 is a wasteful number, since it uses less digits than its factorization.

25969320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 25969320 is about 5096.0102040714. The cubic root of 25969320 is about 296.1330361322.

The spelling of 25969320 in words is "twenty-five million, nine hundred sixty-nine thousand, three hundred twenty".