25752889 has 2 divisors, whose sum is σ = 25752890. Its totient is φ = 25752888.

The previous prime is 25752887. The next prime is 25752901. The reversal of 25752889 is 98825752.

25752889 = T₄₁₄₂ + T₄₁₄₃ + T₄₁₄₄.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25674489 + 78400 = 5067^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 25752889 - 2¹ = 25752887 is a prime.

It is a super-2 number, since 2×25752889² = 1326422583692642, which contains 22 as substring.

Together with 25752887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25752887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12876444 + 12876445.

It is an arithmetic number, because the mean of its divisors is an integer number (12876445).

Almost surely, 2^25752889 is an apocalyptic number.

25752889 is the 4144-th centered triangular number.

It is an amenable number.

25752889 is a deficient number, since it is larger than the sum of its proper divisors (1).

25752889 is an equidigital number, since it uses as much as digits as its factorization.

25752889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 46.

The square root of 25752889 is about 5074.7304361907. The cubic root of 25752889 is about 295.3080723037.

The spelling of 25752889 in words is "twenty-five million, seven hundred fifty-two thousand, eight hundred eighty-nine".