25732230 has 16 divisors (see below), whose sum is σ = 61757424. Its totient is φ = 6861920.

The previous prime is 25732229. The next prime is 25732243. The reversal of 25732230 is 3223752.

It is a self number, because there is not a number n which added to its sum of digits gives 25732230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428841 + ... + 428900.

It is an arithmetic number, because the mean of its divisors is an integer number (3859839).

Almost surely, 2^25732230 is an apocalyptic number.

25732230 is an abundant number, since it is smaller than the sum of its proper divisors (36025194).

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

25732230 is a wasteful number, since it uses less digits than its factorization.

25732230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857751.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 25732230 is about 5072.6945502366. The cubic root of 25732230 is about 295.2290856764.

Adding to 25732230 its reverse (3223752), we get a palindrome (28955982).

The spelling of 25732230 in words is "twenty-five million, seven hundred thirty-two thousand, two hundred thirty".