25288969 has 2 divisors, whose sum is σ = 25288970. Its totient is φ = 25288968.

The previous prime is 25288951. The next prime is 25288987. The reversal of 25288969 is 96988252.

It is a balanced prime because it is at equal distance from previous prime (25288951) and next prime (25288987).

It can be written as a sum of positive squares in only one way, i.e., 14478025 + 10810944 = 3805^2 + 3288^2 .

It is a cyclic number.

It is not a de Polignac number, because 25288969 - 2¹⁵ = 25256201 is a prime.

It is a super-2 number, since 2×25288969² = 1279063906165922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25288909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12644484 + 12644485.

It is an arithmetic number, because the mean of its divisors is an integer number (12644485).

Almost surely, 2^25288969 is an apocalyptic number.

It is an amenable number.

25288969 is a deficient number, since it is larger than the sum of its proper divisors (1).

25288969 is an equidigital number, since it uses as much as digits as its factorization.

25288969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 49.

The square root of 25288969 is about 5028.8138760547. The cubic root of 25288969 is about 293.5240614225.

The spelling of 25288969 in words is "twenty-five million, two hundred eighty-eight thousand, nine hundred sixty-nine".