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2575801 is a prime number
BaseRepresentation
bin1001110100110110111001
311211212100001
421310312321
51124411201
6131113001
730615424
oct11646671
94755301
102575801
1114aa268
12a42761
136c2557
144b09bb
1535d301
hex274db9

2575801 has 2 divisors, whose sum is σ = 2575802. Its totient is φ = 2575800.

The previous prime is 2575799. The next prime is 2575817. The reversal of 2575801 is 1085752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2399401 + 176400 = 1549^2 + 420^2 .

It is a cyclic number.

It is not a de Polignac number, because 2575801 - 21 = 2575799 is a prime.

Together with 2575799, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2575801.

It is not a weakly prime, because it can be changed into another prime (2575831) 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, 1287900 + 1287901.

It is an arithmetic number, because the mean of its divisors is an integer number (1287901).

22575801 is an apocalyptic number.

It is an amenable number.

2575801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2575801 is an equidigital number, since it uses as much as digits as its factorization.

2575801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 2575801 is about 1604.9302165515. The cubic root of 2575801 is about 137.0789500009.

The spelling of 2575801 in words is "two million, five hundred seventy-five thousand, eight hundred one".