61343329 has 2 divisors, whose sum is σ = 61343330. Its totient is φ = 61343328.

The previous prime is 61343311. The next prime is 61343351. The reversal of 61343329 is 92334316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44957025 + 16386304 = 6705^2 + 4048^2 .

It is a cyclic number.

It is not a de Polignac number, because 61343329 - 2¹⁹ = 60819041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61343329.

It is not a weakly prime, because it can be changed into another prime (61343309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30671664 + 30671665.

It is an arithmetic number, because the mean of its divisors is an integer number (30671665).

Almost surely, 2^61343329 is an apocalyptic number.

It is an amenable number.

61343329 is a deficient number, since it is larger than the sum of its proper divisors (1).

61343329 is an equidigital number, since it uses as much as digits as its factorization.

61343329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 31.

The square root of 61343329 is about 7832.1982227214. The cubic root of 61343329 is about 394.3868691001.

The spelling of 61343329 in words is "sixty-one million, three hundred forty-three thousand, three hundred twenty-nine".