25066242 has 48 divisors (see below), whose sum is σ = 56784312. Its totient is φ = 7983360.

The previous prime is 25066231. The next prime is 25066247. The reversal of 25066242 is 24266052.

It can be written as a sum of positive squares in 4 ways, for example, as 12809241 + 12257001 = 3579^2 + 3501^2 .

It is not an unprimeable number, because it can be changed into a prime (25066247) 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, 40318 + ... + 40934.

Almost surely, 2^25066242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25066242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28392156).

25066242 is an abundant number, since it is smaller than the sum of its proper divisors (31718070).

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

25066242 is a wasteful number, since it uses less digits than its factorization.

25066242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 720 counting only the distinct ones).

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

The square root of 25066242 is about 5006.6198178012. The cubic root of 25066242 is about 292.6598031010.

The spelling of 25066242 in words is "twenty-five million, sixty-six thousand, two hundred forty-two".