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4125769 is a prime number
BaseRepresentation
bin1111101111010001001001
321202121111021
433233101021
52024011034
6224232441
750032324
oct17572111
97677437
104125769
11236882a
12146b721
13b15bab
147957bb
155676b4
hex3ef449

4125769 has 2 divisors, whose sum is σ = 4125770. Its totient is φ = 4125768.

The previous prime is 4125767. The next prime is 4125787. The reversal of 4125769 is 9675214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4080400 + 45369 = 2020^2 + 213^2 .

It is a cyclic number.

It is not a de Polignac number, because 4125769 - 21 = 4125767 is a prime.

It is a super-2 number, since 2×41257692 = 34043939682722, which contains 22 as substring.

Together with 4125767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4125767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062884 + 2062885.

It is an arithmetic number, because the mean of its divisors is an integer number (2062885).

Almost surely, 24125769 is an apocalyptic number.

It is an amenable number.

4125769 is a deficient number, since it is larger than the sum of its proper divisors (1).

4125769 is an equidigital number, since it uses as much as digits as its factorization.

4125769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 34.

The square root of 4125769 is about 2031.1989070497. The cubic root of 4125769 is about 160.3866819165.

The spelling of 4125769 in words is "four million, one hundred twenty-five thousand, seven hundred sixty-nine".