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2125693 is a prime number
BaseRepresentation
bin1000000110111101111101
310222222220101
420012331331
51021010233
6113321101
724032233
oct10067575
93888811
102125693
111222079
12866191
1359570b
143d4953
152bec7d
hex206f7d

2125693 has 2 divisors, whose sum is σ = 2125694. Its totient is φ = 2125692.

The previous prime is 2125691. The next prime is 2125699. The reversal of 2125693 is 3965212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1545049 + 580644 = 1243^2 + 762^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125693 - 21 = 2125691 is a prime.

Together with 2125691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125691) 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, 1062846 + 1062847.

It is an arithmetic number, because the mean of its divisors is an integer number (1062847).

22125693 is an apocalyptic number.

It is an amenable number.

2125693 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125693 is an equidigital number, since it uses as much as digits as its factorization.

2125693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 28.

The square root of 2125693 is about 1457.9756513742. The cubic root of 2125693 is about 128.5780536857.

The spelling of 2125693 in words is "two million, one hundred twenty-five thousand, six hundred ninety-three".