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2109253 is a prime number
BaseRepresentation
bin1000000010111101000101
310222011100111
420002331011
51014444003
6113113021
723633266
oct10027505
93864314
102109253
111210793
12858771
1358b0a3
143cc96d
152b9e6d
hex202f45

2109253 has 2 divisors, whose sum is σ = 2109254. Its totient is φ = 2109252.

The previous prime is 2109223. The next prime is 2109269. The reversal of 2109253 is 3529012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1249924 + 859329 = 1118^2 + 927^2 .

It is a cyclic number.

It is not a de Polignac number, because 2109253 - 213 = 2101061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2109203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054626 + 1054627.

It is an arithmetic number, because the mean of its divisors is an integer number (1054627).

22109253 is an apocalyptic number.

It is an amenable number.

2109253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2109253 is an equidigital number, since it uses as much as digits as its factorization.

2109253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2109253 is about 1452.3267538677. The cubic root of 2109253 is about 128.2457234545.

The spelling of 2109253 in words is "two million, one hundred nine thousand, two hundred fifty-three".