25000238 has 16 divisors (see below), whose sum is σ = 39621120. Its totient is φ = 11798136.

The previous prime is 25000231. The next prime is 25000267. The reversal of 25000238 is 83200052.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25000231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10595 + ... + 12737.

It is an arithmetic number, because the mean of its divisors is an integer number (2476320).

Almost surely, 2^25000238 is an apocalyptic number.

25000238 is a deficient number, since it is larger than the sum of its proper divisors (14620882).

25000238 is a wasteful number, since it uses less digits than its factorization.

25000238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 25000238 is about 5000.0237999434. The cubic root of 25000238 is about 292.4027017066.

The spelling of 25000238 in words is "twenty-five million, two hundred thirty-eight", and thus it is an aban number.