61151759 has 2 divisors, whose sum is σ = 61151760. Its totient is φ = 61151758.

The previous prime is 61151743. The next prime is 61151791. The reversal of 61151759 is 95715116.

It is a happy number.

61151759 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61151759 - 2⁴ = 61151743 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61151059) 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, 30575879 + 30575880.

It is an arithmetic number, because the mean of its divisors is an integer number (30575880).

Almost surely, 2^61151759 is an apocalyptic number.

61151759 is a deficient number, since it is larger than the sum of its proper divisors (1).

61151759 is an equidigital number, since it uses as much as digits as its factorization.

61151759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9450, while the sum is 35.

The square root of 61151759 is about 7819.9590152379. The cubic root of 61151759 is about 393.9758954393.

The spelling of 61151759 in words is "sixty-one million, one hundred fifty-one thousand, seven hundred fifty-nine".