61041863 has 2 divisors, whose sum is σ = 61041864. Its totient is φ = 61041862.

The previous prime is 61041859. The next prime is 61041887. The reversal of 61041863 is 36814016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61041863 - 2² = 61041859 is a prime.

It is a super-2 number, since 2×61041863² = 7452218077021538, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61041833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30520931 + 30520932.

It is an arithmetic number, because the mean of its divisors is an integer number (30520932).

Almost surely, 2^61041863 is an apocalyptic number.

61041863 is a deficient number, since it is larger than the sum of its proper divisors (1).

61041863 is an equidigital number, since it uses as much as digits as its factorization.

61041863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 61041863 is about 7812.9292202093. The cubic root of 61041863 is about 393.7397488555.

Adding to 61041863 its reverse (36814016), we get a palindrome (97855879).

The spelling of 61041863 in words is "sixty-one million, forty-one thousand, eight hundred sixty-three".