25525350 has 72 divisors (see below), whose sum is σ = 69261192. Its totient is φ = 6739200.

The previous prime is 25525343. The next prime is 25525363. The reversal of 25525350 is 5352552.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 58734 + ... + 59166.

It is an arithmetic number, because the mean of its divisors is an integer number (961961).

Almost surely, 2^25525350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25525350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34630596).

25525350 is an abundant number, since it is smaller than the sum of its proper divisors (43735842).

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

25525350 is a wasteful number, since it uses less digits than its factorization.

25525350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 25525350 is about 5052.2618696976. The cubic root of 25525350 is about 294.4357691628.

The spelling of 25525350 in words is "twenty-five million, five hundred twenty-five thousand, three hundred fifty".