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2064761 is a prime number
BaseRepresentation
bin111111000000101111001
310212220022122
413320011321
51012033021
6112131025
723356466
oct7700571
93786278
102064761
111190316
12836a75
13573a6a
143ba66d
152abbab
hex1f8179

2064761 has 2 divisors, whose sum is σ = 2064762. Its totient is φ = 2064760.

The previous prime is 2064737. The next prime is 2064763. The reversal of 2064761 is 1674602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1755625 + 309136 = 1325^2 + 556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2064761 is a prime.

It is a Sophie Germain prime.

Together with 2064763, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2064761.

It is not a weakly prime, because it can be changed into another prime (2064763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032380 + 1032381.

It is an arithmetic number, because the mean of its divisors is an integer number (1032381).

22064761 is an apocalyptic number.

It is an amenable number.

2064761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2064761 is an equidigital number, since it uses as much as digits as its factorization.

2064761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2064761 is about 1436.9276251781. The cubic root of 2064761 is about 127.3375812172.

The spelling of 2064761 in words is "two million, sixty-four thousand, seven hundred sixty-one".