25575232 has 14 divisors (see below), whose sum is σ = 50750978. Its totient is φ = 12787584.

The previous prime is 25575229. The next prime is 25575233. The reversal of 25575232 is 23257552.

It can be written as a sum of positive squares in only one way, i.e., 24443136 + 1132096 = 4944^2 + 1064^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25575194 and 25575203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25575233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199743 + ... + 199870.

Almost surely, 2^25575232 is an apocalyptic number.

It is an amenable number.

25575232 is a deficient number, since it is larger than the sum of its proper divisors (25175746).

25575232 is an equidigital number, since it uses as much as digits as its factorization.

25575232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399625 (or 399615 counting only the distinct ones).

The product of its digits is 21000, while the sum is 31.

The square root of 25575232 is about 5057.1960610599. The cubic root of 25575232 is about 294.6274412091.

The spelling of 25575232 in words is "twenty-five million, five hundred seventy-five thousand, two hundred thirty-two".