25527040 has 216 divisors, whose sum is σ = 79691472. Its totient is φ = 7741440.

The previous prime is 25527031. The next prime is 25527041. The reversal of 25527040 is 4072552.

It is a junction number, because it is equal to n+sod(n) for n = 25526996 and 25527014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25527041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 689902 + ... + 689938.

It is an arithmetic number, because the mean of its divisors is an integer number (368942).

Almost surely, 2^25527040 is an apocalyptic number.

25527040 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 25527040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39845736).

25527040 is an abundant number, since it is smaller than the sum of its proper divisors (54164432).

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

25527040 is a wasteful number, since it uses less digits than its factorization.

25527040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 25527040 is about 5052.4291187507. The cubic root of 25527040 is about 294.4422670883.

Adding to 25527040 its reverse (4072552), we get a palindrome (29599592).

The spelling of 25527040 in words is "twenty-five million, five hundred twenty-seven thousand, forty".