25752546 has 32 divisors (see below), whose sum is σ = 57775680. Its totient is φ = 8502048.

The previous prime is 25752539. The next prime is 25752563. The reversal of 25752546 is 64525752.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25752546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3550 + ... + 8006.

It is an arithmetic number, because the mean of its divisors is an integer number (1805490).

Almost surely, 2^25752546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25752546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28887840).

25752546 is an abundant number, since it is smaller than the sum of its proper divisors (32023134).

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

25752546 is a wasteful number, since it uses less digits than its factorization.

25752546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4575 (or 4569 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 25752546 is about 5074.6966411796. The cubic root of 25752546 is about 295.3067612389.

The spelling of 25752546 in words is "twenty-five million, seven hundred fifty-two thousand, five hundred forty-six".