25506230 has 16 divisors (see below), whose sum is σ = 46597680. Its totient is φ = 10049952.

The previous prime is 25506203. The next prime is 25506233. The reversal of 25506230 is 3260552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25506196 and 25506205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25506233) 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, 18365 + ... + 19704.

It is an arithmetic number, because the mean of its divisors is an integer number (2912355).

Almost surely, 2^25506230 is an apocalyptic number.

25506230 is a deficient number, since it is larger than the sum of its proper divisors (21091450).

25506230 is a wasteful number, since it uses less digits than its factorization.

25506230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38143.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 25506230 is about 5050.3692934280. The cubic root of 25506230 is about 294.3622341851.

Adding to 25506230 its reverse (3260552), we get a palindrome (28766782).

The spelling of 25506230 in words is "twenty-five million, five hundred six thousand, two hundred thirty".