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2049361 is a prime number
BaseRepresentation
bin111110100010101010001
310212010012021
413310111101
51011034421
6111531441
723263546
oct7642521
93763167
102049361
11117a796
12829b81
13569a52
143b4bcd
152a7341
hex1f4551

2049361 has 2 divisors, whose sum is σ = 2049362. Its totient is φ = 2049360.

The previous prime is 2049349. The next prime is 2049407. The reversal of 2049361 is 1639402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2047761 + 1600 = 1431^2 + 40^2 .

It is a cyclic number.

It is not a de Polignac number, because 2049361 - 215 = 2016593 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2049301) 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, 1024680 + 1024681.

It is an arithmetic number, because the mean of its divisors is an integer number (1024681).

22049361 is an apocalyptic number.

It is an amenable number.

2049361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049361 is an equidigital number, since it uses as much as digits as its factorization.

2049361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2049361 is about 1431.5589404562. The cubic root of 2049361 is about 127.0202088245.

The spelling of 2049361 in words is "two million, forty-nine thousand, three hundred sixty-one".