61063679 has 2 divisors, whose sum is σ = 61063680. Its totient is φ = 61063678.

The previous prime is 61063657. The next prime is 61063687. The reversal of 61063679 is 97636016.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61063679 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61063699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30531839 + 30531840.

It is an arithmetic number, because the mean of its divisors is an integer number (30531840).

Almost surely, 2^61063679 is an apocalyptic number.

61063679 is a deficient number, since it is larger than the sum of its proper divisors (1).

61063679 is an equidigital number, since it uses as much as digits as its factorization.

61063679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 61063679 is about 7814.3252427833. The cubic root of 61063679 is about 393.7866500193.

The spelling of 61063679 in words is "sixty-one million, sixty-three thousand, six hundred seventy-nine".