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297396961 is a prime number
BaseRepresentation
bin10001101110011…
…110101011100001
3202201121022221021
4101232132223201
51102113200321
645302125441
710240555351
oct2156365341
9681538837
10297396961
11142966814
1283720881
13497c9044
142b6d6b61
151b197941
hex11b9eae1

297396961 has 2 divisors, whose sum is σ = 297396962. Its totient is φ = 297396960.

The previous prime is 297396941. The next prime is 297396973. The reversal of 297396961 is 169693792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287505936 + 9891025 = 16956^2 + 3145^2 .

It is a cyclic number.

It is not a de Polignac number, because 297396961 - 219 = 296872673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 297396899 and 297396908.

It is not a weakly prime, because it can be changed into another prime (297396941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148698480 + 148698481.

It is an arithmetic number, because the mean of its divisors is an integer number (148698481).

Almost surely, 2297396961 is an apocalyptic number.

It is an amenable number.

297396961 is a deficient number, since it is larger than the sum of its proper divisors (1).

297396961 is an equidigital number, since it uses as much as digits as its factorization.

297396961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1102248, while the sum is 52.

The square root of 297396961 is about 17245.2011005961. The cubic root of 297396961 is about 667.4911451270.

The spelling of 297396961 in words is "two hundred ninety-seven million, three hundred ninety-six thousand, nine hundred sixty-one".