25042266 has 48 divisors (see below), whose sum is σ = 58687200. Its totient is φ = 7690464.

The previous prime is 25042261. The next prime is 25042273. The reversal of 25042266 is 66224052.

It is not an unprimeable number, because it can be changed into a prime (25042261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11665 + ... + 13643.

It is an arithmetic number, because the mean of its divisors is an integer number (1222650).

Almost surely, 2^25042266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25042266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29343600).

25042266 is an abundant number, since it is smaller than the sum of its proper divisors (33644934).

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

25042266 is a wasteful number, since it uses less digits than its factorization.

25042266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043 (or 2040 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 25042266 is about 5004.2248150937. The cubic root of 25042266 is about 292.5664630910.

The spelling of 25042266 in words is "twenty-five million, forty-two thousand, two hundred sixty-six".