25704232 has 8 divisors (see below), whose sum is σ = 48195450. Its totient is φ = 12852112.

The previous prime is 25704229. The next prime is 25704247. The reversal of 25704232 is 23240752.

It can be written as a sum of positive squares in only one way, i.e., 25260676 + 443556 = 5026^2 + 666^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 25704197 and 25704206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606507 + ... + 1606522.

Almost surely, 2^25704232 is an apocalyptic number.

It is an amenable number.

25704232 is a deficient number, since it is larger than the sum of its proper divisors (22491218).

25704232 is a wasteful number, since it uses less digits than its factorization.

25704232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213035 (or 3213031 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 25704232 is about 5069.9341218600. The cubic root of 25704232 is about 295.1219719693.

Adding to 25704232 its reverse (23240752), we get a palindrome (48944984).

The spelling of 25704232 in words is "twenty-five million, seven hundred four thousand, two hundred thirty-two".