25284769 has 2 divisors, whose sum is σ = 25284770. Its totient is φ = 25284768.

The previous prime is 25284761. The next prime is 25284793. The reversal of 25284769 is 96748252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24453025 + 831744 = 4945^2 + 912^2 .

It is a cyclic number.

It is not a de Polignac number, because 25284769 - 2³ = 25284761 is a prime.

It is a super-2 number, since 2×25284769² = 1278639086766722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25284761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12642384 + 12642385.

It is an arithmetic number, because the mean of its divisors is an integer number (12642385).

Almost surely, 2^25284769 is an apocalyptic number.

It is an amenable number.

25284769 is a deficient number, since it is larger than the sum of its proper divisors (1).

25284769 is an equidigital number, since it uses as much as digits as its factorization.

25284769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 25284769 is about 5028.3962652122. The cubic root of 25284769 is about 293.5078109997.

The spelling of 25284769 in words is "twenty-five million, two hundred eighty-four thousand, seven hundred sixty-nine".