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25485469 is a prime number
BaseRepresentation
bin110000100111…
…0000010011101
31202221210111021
41201032002131
523011013334
62310124141
7426423442
oct141160235
952853437
1025485469
1113427679
128650651
135384179
1435559c9
1523863b4
hex184e09d

25485469 has 2 divisors, whose sum is σ = 25485470. Its totient is φ = 25485468.

The previous prime is 25485451. The next prime is 25485487. The reversal of 25485469 is 96458452.

It is a balanced prime because it is at equal distance from previous prime (25485451) and next prime (25485487).

It can be written as a sum of positive squares in only one way, i.e., 20702500 + 4782969 = 4550^2 + 2187^2 .

It is a cyclic number.

It is not a de Polignac number, because 25485469 - 215 = 25452701 is a prime.

It is a super-2 number, since 2×254854692 = 1299018260299922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25485409) 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, 12742734 + 12742735.

It is an arithmetic number, because the mean of its divisors is an integer number (12742735).

Almost surely, 225485469 is an apocalyptic number.

It is an amenable number.

25485469 is a deficient number, since it is larger than the sum of its proper divisors (1).

25485469 is an equidigital number, since it uses as much as digits as its factorization.

25485469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 43.

The square root of 25485469 is about 5048.3134807577. The cubic root of 25485469 is about 294.2823463408.

The spelling of 25485469 in words is "twenty-five million, four hundred eighty-five thousand, four hundred sixty-nine".