61300321 has 2 divisors, whose sum is σ = 61300322. Its totient is φ = 61300320.

The previous prime is 61300273. The next prime is 61300367. The reversal of 61300321 is 12300316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61230625 + 69696 = 7825^2 + 264^2 .

It is a cyclic number.

It is not a de Polignac number, because 61300321 - 2¹¹ = 61298273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61300295 and 61300304.

It is not a weakly prime, because it can be changed into another prime (61300721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30650160 + 30650161.

It is an arithmetic number, because the mean of its divisors is an integer number (30650161).

Almost surely, 2^61300321 is an apocalyptic number.

It is an amenable number.

61300321 is a deficient number, since it is larger than the sum of its proper divisors (1).

61300321 is an equidigital number, since it uses as much as digits as its factorization.

61300321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 61300321 is about 7829.4521519708. The cubic root of 61300321 is about 394.2946789290.

Adding to 61300321 its reverse (12300316), we get a palindrome (73600637).

The spelling of 61300321 in words is "sixty-one million, three hundred thousand, three hundred twenty-one".