25609238 has 8 divisors (see below), whose sum is σ = 38466120. Its totient is φ = 12787200.

The previous prime is 25609231. The next prime is 25609247. The reversal of 25609238 is 83290652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 25609198 and 25609207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25609231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6788 + ... + 9863.

It is an arithmetic number, because the mean of its divisors is an integer number (4808265).

Almost surely, 2^25609238 is an apocalyptic number.

25609238 is a deficient number, since it is larger than the sum of its proper divisors (12856882).

25609238 is a wasteful number, since it uses less digits than its factorization.

25609238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17422.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 25609238 is about 5060.5570839582. The cubic root of 25609238 is about 294.7579667559.

The spelling of 25609238 in words is "twenty-five million, six hundred nine thousand, two hundred thirty-eight".