25462289 has 2 divisors, whose sum is σ = 25462290. Its totient is φ = 25462288.

The previous prime is 25462279. The next prime is 25462301. The reversal of 25462289 is 98226452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15171025 + 10291264 = 3895^2 + 3208^2 .

It is a cyclic number.

It is not a de Polignac number, because 25462289 - 2²⁴ = 8685073 is a prime.

It is a super-2 number, since 2×25462289² = 1296656322239042, which contains 22 as substring.

It is a Chen prime.

It is equal to p_1592966 and since 25462289 and 1592966 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (25462259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12731144 + 12731145.

It is an arithmetic number, because the mean of its divisors is an integer number (12731145).

Almost surely, 2^25462289 is an apocalyptic number.

It is an amenable number.

25462289 is a deficient number, since it is larger than the sum of its proper divisors (1).

25462289 is an equidigital number, since it uses as much as digits as its factorization.

25462289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 25462289 is about 5046.0171422618. The cubic root of 25462289 is about 294.1930989614.

The spelling of 25462289 in words is "twenty-five million, four hundred sixty-two thousand, two hundred eighty-nine".