25504230 has 32 divisors (see below), whose sum is σ = 61544448. Its totient is φ = 6764000.

The previous prime is 25504223. The next prime is 25504231. The reversal of 25504230 is 3240552.

It is a junction number, because it is equal to n+sod(n) for n = 25504197 and 25504206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25504231) 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, 3505 + ... + 7955.

It is an arithmetic number, because the mean of its divisors is an integer number (1923264).

Almost surely, 2^25504230 is an apocalyptic number.

25504230 is an abundant number, since it is smaller than the sum of its proper divisors (36040218).

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

25504230 is a wasteful number, since it uses less digits than its factorization.

25504230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4652.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 25504230 is about 5050.1712842239. The cubic root of 25504230 is about 294.3545401190.

Adding to 25504230 its reverse (3240552), we get a palindrome (28744782).

The spelling of 25504230 in words is "twenty-five million, five hundred four thousand, two hundred thirty".