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683437 is a prime number

683437 has 2 divisors, whose sum is σ = 683438. Its totient is φ = 683436.

The previous prime is 683407. The next prime is 683447. The reversal of 683437 is 734386.

It is the 338-th star number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 568516 + 114921 = 754^2 + 339^2 .

It is a cyclic number.

It is not a de Polignac number, because 683437 - 215 = 650669 is a prime.

It is a super-2 number, since 2×6834372 = 934172265938, which contains 22 as substring.

It is a d-powerful number, because it can be written as 64 + 85 + 44 + 33 + 312 + 76 .

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 683399 and 683408.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 683437.

It is not a weakly prime, because it can be changed into another prime (683407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341718 + 341719.

It is an arithmetic number, because the mean of its divisors is an integer number (341719).

683437 is a Friedman number, since it can be written as ((37+8)^4-3)/6, using all its digits and the basic arithmetic operations.

2683437 is an apocalyptic number.

It is an amenable number.

683437 is a deficient number, since it is larger than the sum of its proper divisors (1).

683437 is an equidigital number, since it uses as much as digits as its factorization.

683437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 31.

The square root of 683437 is about 826.7024857831. The cubic root of 683437 is about 88.0845004455.

The spelling of 683437 in words is "six hundred eighty-three thousand, four hundred thirty-seven".