61027091 has 2 divisors, whose sum is σ = 61027092. Its totient is φ = 61027090.

The previous prime is 61027067. The next prime is 61027117. The reversal of 61027091 is 19072016.

61027091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (61027117) can be obtained adding 61027091 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61027091 - 2¹⁰ = 61026067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61027091.

It is not a weakly prime, because it can be changed into another prime (61027391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30513545 + 30513546.

It is an arithmetic number, because the mean of its divisors is an integer number (30513546).

Almost surely, 2^61027091 is an apocalyptic number.

61027091 is a deficient number, since it is larger than the sum of its proper divisors (1).

61027091 is an equidigital number, since it uses as much as digits as its factorization.

61027091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 61027091 is about 7811.9838069469. The cubic root of 61027091 is about 393.7079849013.

The spelling of 61027091 in words is "sixty-one million, twenty-seven thousand, ninety-one".