25289032 has 8 divisors (see below), whose sum is σ = 47416950. Its totient is φ = 12644512.

The previous prime is 25289023. The next prime is 25289039. The reversal of 25289032 is 23098252.

It can be written as a sum of positive squares in only one way, i.e., 17189316 + 8099716 = 4146^2 + 2846^2 .

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 = 25288985 and 25289003.

It is not an unprimeable number, because it can be changed into a prime (25289039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580557 + ... + 1580572.

Almost surely, 2^25289032 is an apocalyptic number.

It is an amenable number.

25289032 is a deficient number, since it is larger than the sum of its proper divisors (22127918).

25289032 is a wasteful number, since it uses less digits than its factorization.

25289032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161135 (or 3161131 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 25289032 is about 5028.8201399533. The cubic root of 25289032 is about 293.5243051652.

The spelling of 25289032 in words is "twenty-five million, two hundred eighty-nine thousand, thirty-two".