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9997397 is a prime number
BaseRepresentation
bin100110001000…
…110001010101
3200210220211222
4212020301111
510024404042
6554140125
7150655634
oct46106125
920726758
109997397
115709213
123421645
1320c0627
14148351b
15d272d2
hex988c55

9997397 has 2 divisors, whose sum is σ = 9997398. Its totient is φ = 9997396.

The previous prime is 9997381. The next prime is 9997441. The reversal of 9997397 is 7937999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9991921 + 5476 = 3161^2 + 74^2 .

It is a cyclic number.

It is not a de Polignac number, because 9997397 - 24 = 9997381 is a 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 (9997327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4998698 + 4998699.

It is an arithmetic number, because the mean of its divisors is an integer number (4998699).

Almost surely, 29997397 is an apocalyptic number.

It is an amenable number.

9997397 is a deficient number, since it is larger than the sum of its proper divisors (1).

9997397 is an equidigital number, since it uses as much as digits as its factorization.

9997397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 964467, while the sum is 53.

The square root of 9997397 is about 3161.8660629445. The cubic root of 9997397 is about 215.4247740693.

The spelling of 9997397 in words is "nine million, nine hundred ninety-seven thousand, three hundred ninety-seven".