61336771 has 2 divisors, whose sum is σ = 61336772. Its totient is φ = 61336770.

The previous prime is 61336757. The next prime is 61336783. The reversal of 61336771 is 17763316.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61336771 - 2⁷ = 61336643 is a prime.

It is not a weakly prime, because it can be changed into another prime (61336871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30668385 + 30668386.

It is an arithmetic number, because the mean of its divisors is an integer number (30668386).

Almost surely, 2^61336771 is an apocalyptic number.

61336771 is a deficient number, since it is larger than the sum of its proper divisors (1).

61336771 is an equidigital number, since it uses as much as digits as its factorization.

61336771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 34.

The square root of 61336771 is about 7831.7795551203. The cubic root of 61336771 is about 394.3728144273.

The spelling of 61336771 in words is "sixty-one million, three hundred thirty-six thousand, seven hundred seventy-one".