61305301 has 2 divisors, whose sum is σ = 61305302. Its totient is φ = 61305300.

The previous prime is 61305289. The next prime is 61305311. The reversal of 61305301 is 10350316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52215076 + 9090225 = 7226^2 + 3015^2 .

It is a cyclic number.

It is not a de Polignac number, because 61305301 - 2¹⁷ = 61174229 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 (61305311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30652650 + 30652651.

It is an arithmetic number, because the mean of its divisors is an integer number (30652651).

Almost surely, 2^61305301 is an apocalyptic number.

It is an amenable number.

61305301 is a deficient number, since it is larger than the sum of its proper divisors (1).

61305301 is an equidigital number, since it uses as much as digits as its factorization.

61305301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 61305301 is about 7829.7701754266. The cubic root of 61305301 is about 394.3053560581.

Adding to 61305301 its reverse (10350316), we get a palindrome (71655617).

The spelling of 61305301 in words is "sixty-one million, three hundred five thousand, three hundred one".