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BaseRepresentation
bin111111111111111110111
310221112201222
413333333313
51014102033
6112540555
723553056
oct7777767
93845658
102097143
111202684
1285175b
13585719
143c839d
152b6598
hex1ffff7

2097143 has 2 divisors, whose sum is σ = 2097144. Its totient is φ = 2097142.

The previous prime is 2097133. The next prime is 2097169. The reversal of 2097143 is 3417902.

It is an a-pointer prime, because the next prime (2097169) can be obtained adding 2097143 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2097143 - 214 = 2080759 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2097133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048571 + 1048572.

It is an arithmetic number, because the mean of its divisors is an integer number (1048572).

22097143 is an apocalyptic number.

2097143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097143 is an equidigital number, since it uses as much as digits as its factorization.

2097143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2097143 is about 1448.1515804639. The cubic root of 2097143 is about 127.9998168943. Note that the first 3 decimals are identical.

The spelling of 2097143 in words is "two million, ninety-seven thousand, one hundred forty-three".