61843361 has 2 divisors, whose sum is σ = 61843362. Its totient is φ = 61843360.

The previous prime is 61843351. The next prime is 61843367. The reversal of 61843361 is 16334816.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35628961 + 26214400 = 5969^2 + 5120^2 .

It is a cyclic number.

It is not a de Polignac number, because 61843361 - 2¹⁰ = 61842337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61843367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30921680 + 30921681.

It is an arithmetic number, because the mean of its divisors is an integer number (30921681).

Almost surely, 2^61843361 is an apocalyptic number.

It is an amenable number.

61843361 is a deficient number, since it is larger than the sum of its proper divisors (1).

61843361 is an equidigital number, since it uses as much as digits as its factorization.

61843361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 61843361 is about 7864.0549972645. The cubic root of 61843361 is about 395.4555679496.

The spelling of 61843361 in words is "sixty-one million, eight hundred forty-three thousand, three hundred sixty-one".