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11525749 is a prime number
BaseRepresentation
bin101011111101…
…111001110101
3210200120100121
4223331321311
510422310444
61051011541
7166652524
oct53757165
923616317
1011525749
116562514
123a39bb1
132507191
1417604bb
15102a084
hexafde75

11525749 has 2 divisors, whose sum is σ = 11525750. Its totient is φ = 11525748.

The previous prime is 11525747. The next prime is 11525753. The reversal of 11525749 is 94752511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7800849 + 3724900 = 2793^2 + 1930^2 .

It is a cyclic number.

It is not a de Polignac number, because 11525749 - 21 = 11525747 is a prime.

It is a super-2 number, since 2×115257492 = 265685780022002, which contains 22 as substring.

Together with 11525747, it forms a pair of twin primes.

It is equal to p758860 and since 11525749 and 758860 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11525743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5762874 + 5762875.

It is an arithmetic number, because the mean of its divisors is an integer number (5762875).

Almost surely, 211525749 is an apocalyptic number.

It is an amenable number.

11525749 is a deficient number, since it is larger than the sum of its proper divisors (1).

11525749 is an equidigital number, since it uses as much as digits as its factorization.

11525749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 34.

The square root of 11525749 is about 3394.9593517449. The cubic root of 11525749 is about 225.8862102400.

The spelling of 11525749 in words is "eleven million, five hundred twenty-five thousand, seven hundred forty-nine".