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11525729 is a prime number
BaseRepresentation
bin101011111101…
…111001100001
3210200120022212
4223331321201
510422310404
61051011505
7166652465
oct53757141
923616285
1011525729
1165624a6
123a39b95
132507177
1417604a5
15102a06e
hexafde61

11525729 has 2 divisors, whose sum is σ = 11525730. Its totient is φ = 11525728.

The previous prime is 11525713. The next prime is 11525743. The reversal of 11525729 is 92752511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8567329 + 2958400 = 2927^2 + 1720^2 .

It is a cyclic number.

It is not a de Polignac number, because 11525729 - 24 = 11525713 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11525695 and 11525704.

It is not a weakly prime, because it can be changed into another prime (11525749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5762864 + 5762865.

It is an arithmetic number, because the mean of its divisors is an integer number (5762865).

Almost surely, 211525729 is an apocalyptic number.

It is an amenable number.

11525729 is a deficient number, since it is larger than the sum of its proper divisors (1).

11525729 is an equidigital number, since it uses as much as digits as its factorization.

11525729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 32.

The square root of 11525729 is about 3394.9564062002. The cubic root of 11525729 is about 225.8860795839.

The spelling of 11525729 in words is "eleven million, five hundred twenty-five thousand, seven hundred twenty-nine".