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10397561 is a prime number
BaseRepresentation
bin100111101010…
…011101111001
3201120020202212
4213222131321
510130210221
61010504505
7154243406
oct47523571
921506685
1010397561
115961929
123595135
132200805
1415492ad
15da5b5b
hex9ea779

10397561 has 2 divisors, whose sum is σ = 10397562. Its totient is φ = 10397560.

The previous prime is 10397539. The next prime is 10397567. The reversal of 10397561 is 16579301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5856400 + 4541161 = 2420^2 + 2131^2 .

It is a cyclic number.

It is not a de Polignac number, because 10397561 - 214 = 10381177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10397567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5198780 + 5198781.

It is an arithmetic number, because the mean of its divisors is an integer number (5198781).

Almost surely, 210397561 is an apocalyptic number.

It is an amenable number.

10397561 is a deficient number, since it is larger than the sum of its proper divisors (1).

10397561 is an equidigital number, since it uses as much as digits as its factorization.

10397561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 10397561 is about 3224.5249262488. The cubic root of 10397561 is about 218.2615117702.

The spelling of 10397561 in words is "ten million, three hundred ninety-seven thousand, five hundred sixty-one".