68451337 has 2 divisors, whose sum is σ = 68451338. Its totient is φ = 68451336.

The previous prime is 68451329. The next prime is 68451373. The reversal of 68451337 is 73315486.

Together with next prime (68451373) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49406841 + 19044496 = 7029^2 + 4364^2 .

It is a cyclic number.

It is not a de Polignac number, because 68451337 - 2³ = 68451329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68451296 and 68451305.

It is not a weakly prime, because it can be changed into another prime (68451377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34225668 + 34225669.

It is an arithmetic number, because the mean of its divisors is an integer number (34225669).

Almost surely, 2^68451337 is an apocalyptic number.

It is an amenable number.

68451337 is a deficient number, since it is larger than the sum of its proper divisors (1).

68451337 is an equidigital number, since it uses as much as digits as its factorization.

68451337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 68451337 is about 8273.5323169732. The cubic root of 68451337 is about 409.0665597883.

The spelling of 68451337 in words is "sixty-eight million, four hundred fifty-one thousand, three hundred thirty-seven".