60278321 has 2 divisors, whose sum is σ = 60278322. Its totient is φ = 60278320.

The previous prime is 60278297. The next prime is 60278329. The reversal of 60278321 is 12387206.

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., 38887696 + 21390625 = 6236^2 + 4625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60278321 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (60278329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30139160 + 30139161.

It is an arithmetic number, because the mean of its divisors is an integer number (30139161).

Almost surely, 2^60278321 is an apocalyptic number.

It is an amenable number.

60278321 is a deficient number, since it is larger than the sum of its proper divisors (1).

60278321 is an equidigital number, since it uses as much as digits as its factorization.

60278321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 60278321 is about 7763.9114497784. The cubic root of 60278321 is about 392.0911582563.

The spelling of 60278321 in words is "sixty million, two hundred seventy-eight thousand, three hundred twenty-one".