61185841 has 2 divisors, whose sum is σ = 61185842. Its totient is φ = 61185840.

The previous prime is 61185821. The next prime is 61185851. The reversal of 61185841 is 14858116.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42523441 + 18662400 = 6521^2 + 4320^2 .

It is a cyclic number.

It is not a de Polignac number, because 61185841 - 2⁷ = 61185713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61185797 and 61185806.

It is not a weakly prime, because it can be changed into another prime (61185821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30592920 + 30592921.

It is an arithmetic number, because the mean of its divisors is an integer number (30592921).

Almost surely, 2^61185841 is an apocalyptic number.

It is an amenable number.

61185841 is a deficient number, since it is larger than the sum of its proper divisors (1).

61185841 is an equidigital number, since it uses as much as digits as its factorization.

61185841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 34.

The square root of 61185841 is about 7822.1378791223. The cubic root of 61185841 is about 394.0490739977.

It can be divided in two parts, 61185 and 841, that added together give a palindrome (62026).

The spelling of 61185841 in words is "sixty-one million, one hundred eighty-five thousand, eight hundred forty-one".