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2125553 is a prime number
BaseRepresentation
bin1000000110111011110001
310222222201012
420012323301
51021004203
6113320305
724031643
oct10067361
93888635
102125553
111221a61
12866095
13595631
143d4893
152bebd8
hex206ef1

2125553 has 2 divisors, whose sum is σ = 2125554. Its totient is φ = 2125552.

The previous prime is 2125537. The next prime is 2125559. The reversal of 2125553 is 3555212.

2125553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2122849 + 2704 = 1457^2 + 52^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125553 - 24 = 2125537 is a prime.

It is not a weakly prime, because it can be changed into another prime (2125559) 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, 1062776 + 1062777.

It is an arithmetic number, because the mean of its divisors is an integer number (1062777).

22125553 is an apocalyptic number.

It is an amenable number.

2125553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125553 is an equidigital number, since it uses as much as digits as its factorization.

2125553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1500, while the sum is 23.

The square root of 2125553 is about 1457.9276388079. The cubic root of 2125553 is about 128.5752308693.

The spelling of 2125553 in words is "two million, one hundred twenty-five thousand, five hundred fifty-three".