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616683497 is a prime number
BaseRepresentation
bin100100110000011…
…101011111101001
31120222101202201112
4210300131133221
52230332332442
6141105400105
721165503033
oct4460353751
91528352645
10616683497
11297113491
12152639035
139a9ba5a1
145bc8ac53
1539216082
hex24c1d7e9

616683497 has 2 divisors, whose sum is σ = 616683498. Its totient is φ = 616683496.

The previous prime is 616683467. The next prime is 616683499. The reversal of 616683497 is 794386616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 608904976 + 7778521 = 24676^2 + 2789^2 .

It is a cyclic number.

It is not a de Polignac number, because 616683497 - 26 = 616683433 is a prime.

Together with 616683499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (616683499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308341748 + 308341749.

It is an arithmetic number, because the mean of its divisors is an integer number (308341749).

Almost surely, 2616683497 is an apocalyptic number.

It is an amenable number.

616683497 is a deficient number, since it is larger than the sum of its proper divisors (1).

616683497 is an equidigital number, since it uses as much as digits as its factorization.

616683497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The square root of 616683497 is about 24833.1129140106. The cubic root of 616683497 is about 851.1787553534.

The spelling of 616683497 in words is "six hundred sixteen million, six hundred eighty-three thousand, four hundred ninety-seven".