25912080 has 240 divisors, whose sum is σ = 96623280. Its totient is φ = 6193152.

The previous prime is 25912069. The next prime is 25912091. The reversal of 25912080 is 8021952.

It is an interprime number because it is at equal distance from previous prime (25912069) and next prime (25912091).

It can be written as a sum of positive squares in 8 ways, for example, as 389376 + 25522704 = 624^2 + 5052^2 .

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 354924 + ... + 354996.

It is an arithmetic number, because the mean of its divisors is an integer number (402597).

Almost surely, 2^25912080 is an apocalyptic number.

25912080 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 25912080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48311640).

25912080 is an abundant number, since it is smaller than the sum of its proper divisors (70711200).

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

25912080 is a wasteful number, since it uses less digits than its factorization.

25912080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 25912080 is about 5090.3909476581. The cubic root of 25912080 is about 295.9153032570.

The spelling of 25912080 in words is "twenty-five million, nine hundred twelve thousand, eighty".