25296090 has 64 divisors (see below), whose sum is σ = 64495872. Its totient is φ = 6336000.

The previous prime is 25296059. The next prime is 25296097. The reversal of 25296090 is 9069252.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25296097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41790 + ... + 42390.

It is an arithmetic number, because the mean of its divisors is an integer number (1007748).

Almost surely, 2^25296090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25296090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32247936).

25296090 is an abundant number, since it is smaller than the sum of its proper divisors (39199782).

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

25296090 is a wasteful number, since it uses less digits than its factorization.

25296090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 25296090 is about 5029.5218460605. The cubic root of 25296090 is about 293.5516095165.

The spelling of 25296090 in words is "twenty-five million, two hundred ninety-six thousand, ninety".