25152289 has 2 divisors, whose sum is σ = 25152290. Its totient is φ = 25152288.

The previous prime is 25152209. The next prime is 25152293. The reversal of 25152289 is 98225152.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14861025 + 10291264 = 3855^2 + 3208^2 .

It is a cyclic number.

It is not a de Polignac number, because 25152289 - 2⁷ = 25152161 is a prime.

It is not a weakly prime, because it can be changed into another prime (25152209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12576144 + 12576145.

It is an arithmetic number, because the mean of its divisors is an integer number (12576145).

Almost surely, 2^25152289 is an apocalyptic number.

It is an amenable number.

25152289 is a deficient number, since it is larger than the sum of its proper divisors (1).

25152289 is an equidigital number, since it uses as much as digits as its factorization.

25152289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 34.

The square root of 25152289 is about 5015.2057784302. The cubic root of 25152289 is about 292.9942999586.

The spelling of 25152289 in words is "twenty-five million, one hundred fifty-two thousand, two hundred eighty-nine".