61418741 has 2 divisors, whose sum is σ = 61418742. Its totient is φ = 61418740.

The previous prime is 61418737. The next prime is 61418743. The reversal of 61418741 is 14781416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33814225 + 27604516 = 5815^2 + 5254^2 .

It is a cyclic number.

It is not a de Polignac number, because 61418741 - 2² = 61418737 is a prime.

It is a Sophie Germain prime.

Together with 61418743, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61418698 and 61418707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61418743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30709370 + 30709371.

It is an arithmetic number, because the mean of its divisors is an integer number (30709371).

Almost surely, 2^61418741 is an apocalyptic number.

It is an amenable number.

61418741 is a deficient number, since it is larger than the sum of its proper divisors (1).

61418741 is an equidigital number, since it uses as much as digits as its factorization.

61418741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 32.

The square root of 61418741 is about 7837.0109735791. The cubic root of 61418741 is about 394.5484151822.

The spelling of 61418741 in words is "sixty-one million, four hundred eighteen thousand, seven hundred forty-one".