25538450 has 48 divisors (see below), whose sum is σ = 54800064. Its totient is φ = 8673600.

The previous prime is 25538423. The next prime is 25538459. The reversal of 25538450 is 5483552.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25538459) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 45572 + ... + 46128.

It is an arithmetic number, because the mean of its divisors is an integer number (1141668).

Almost surely, 2^25538450 is an apocalyptic number.

25538450 is an abundant number, since it is smaller than the sum of its proper divisors (29261614).

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

25538450 is a wasteful number, since it uses less digits than its factorization.

25538450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 25538450 is about 5053.5581524308. The cubic root of 25538450 is about 294.4861301950.

It can be divided in two parts, 25538 and 450, that multiplied together give a square (11492100 = 3390²).

The spelling of 25538450 in words is "twenty-five million, five hundred thirty-eight thousand, four hundred fifty".