25596090 has 96 divisors (see below), whose sum is σ = 72648576. Its totient is φ = 6215040.

The previous prime is 25596073. The next prime is 25596091. The reversal of 25596090 is 9069552.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25596091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 153187 + ... + 153353.

It is an arithmetic number, because the mean of its divisors is an integer number (756756).

Almost surely, 2^25596090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25596090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36324288).

25596090 is an abundant number, since it is smaller than the sum of its proper divisors (47052486).

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

25596090 is a wasteful number, since it uses less digits than its factorization.

25596090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 25596090 is about 5059.2578507129. The cubic root of 25596090 is about 294.7075143740.

It can be divided in two parts, 2559 and 6090, that added together give a square (8649 = 93²).

The spelling of 25596090 in words is "twenty-five million, five hundred ninety-six thousand, ninety".