25735469 has 2 divisors, whose sum is σ = 25735470. Its totient is φ = 25735468.

The previous prime is 25735453. The next prime is 25735471. The reversal of 25735469 is 96453752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25381444 + 354025 = 5038^2 + 595^2 .

It is a cyclic number.

It is not a de Polignac number, because 25735469 - 2⁴ = 25735453 is a prime.

It is a super-2 number, since 2×25735469² = 1324628729299922, which contains 22 as substring.

Together with 25735471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25735439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12867734 + 12867735.

It is an arithmetic number, because the mean of its divisors is an integer number (12867735).

Almost surely, 2^25735469 is an apocalyptic number.

It is an amenable number.

25735469 is a deficient number, since it is larger than the sum of its proper divisors (1).

25735469 is an equidigital number, since it uses as much as digits as its factorization.

25735469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 41.

The square root of 25735469 is about 5073.0137985225. The cubic root of 25735469 is about 295.2414723071.

The spelling of 25735469 in words is "twenty-five million, seven hundred thirty-five thousand, four hundred sixty-nine".