68328461 has 2 divisors, whose sum is σ = 68328462. Its totient is φ = 68328460.

The previous prime is 68328451. The next prime is 68328467. The reversal of 68328461 is 16482386.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67338436 + 990025 = 8206^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 68328461 - 2¹⁴ = 68312077 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68328467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34164230 + 34164231.

It is an arithmetic number, because the mean of its divisors is an integer number (34164231).

Almost surely, 2^68328461 is an apocalyptic number.

It is an amenable number.

68328461 is a deficient number, since it is larger than the sum of its proper divisors (1).

68328461 is an equidigital number, since it uses as much as digits as its factorization.

68328461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 38.

The square root of 68328461 is about 8266.1031326738. The cubic root of 68328461 is about 408.8216433695.

The spelling of 68328461 in words is "sixty-eight million, three hundred twenty-eight thousand, four hundred sixty-one".