25117230 has 32 divisors (see below), whose sum is σ = 61422624. Its totient is φ = 6571136.

The previous prime is 25117217. The next prime is 25117237. The reversal of 25117230 is 3271152.

It is a junction number, because it is equal to n+sod(n) for n = 25117197 and 25117206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25117237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6309 + ... + 9488.

It is an arithmetic number, because the mean of its divisors is an integer number (1919457).

Almost surely, 2^25117230 is an apocalyptic number.

25117230 is an abundant number, since it is smaller than the sum of its proper divisors (36305394).

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

25117230 is a wasteful number, since it uses less digits than its factorization.

25117230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15860.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 25117230 is about 5011.7092892545. The cubic root of 25117230 is about 292.8581047531.

Adding to 25117230 its reverse (3271152), we get a palindrome (28388382).

The spelling of 25117230 in words is "twenty-five million, one hundred seventeen thousand, two hundred thirty".