61030843 has 2 divisors, whose sum is σ = 61030844. Its totient is φ = 61030842.

The previous prime is 61030841. The next prime is 61030883. The reversal of 61030843 is 34803016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61030843 - 2¹ = 61030841 is a prime.

Together with 61030841, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (61030841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30515421 + 30515422.

It is an arithmetic number, because the mean of its divisors is an integer number (30515422).

Almost surely, 2^61030843 is an apocalyptic number.

61030843 is a deficient number, since it is larger than the sum of its proper divisors (1).

61030843 is an equidigital number, since it uses as much as digits as its factorization.

61030843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 61030843 is about 7812.2239471229. The cubic root of 61030843 is about 393.7160532420.

Adding to 61030843 its reverse (34803016), we get a palindrome (95833859).

The spelling of 61030843 in words is "sixty-one million, thirty thousand, eight hundred forty-three".