25503230 has 32 divisors (see below), whose sum is σ = 49805280. Its totient is φ = 9364480.

The previous prime is 25503227. The next prime is 25503239. The reversal of 25503230 is 3230552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25503239) 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, 5141 + ... + 8799.

It is an arithmetic number, because the mean of its divisors is an integer number (1556415).

Almost surely, 2^25503230 is an apocalyptic number.

25503230 is a deficient number, since it is larger than the sum of its proper divisors (24302050).

25503230 is a wasteful number, since it uses less digits than its factorization.

25503230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 25503230 is about 5050.0722767105. The cubic root of 25503230 is about 294.3506929352.

Adding to 25503230 its reverse (3230552), we get a palindrome (28733782).

The spelling of 25503230 in words is "twenty-five million, five hundred three thousand, two hundred thirty".