61141559 has 2 divisors, whose sum is σ = 61141560. Its totient is φ = 61141558.

The previous prime is 61141547. The next prime is 61141627. The reversal of 61141559 is 95514116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61141559 - 2⁴ = 61141543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61141519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30570779 + 30570780.

It is an arithmetic number, because the mean of its divisors is an integer number (30570780).

Almost surely, 2^61141559 is an apocalyptic number.

61141559 is a deficient number, since it is larger than the sum of its proper divisors (1).

61141559 is an equidigital number, since it uses as much as digits as its factorization.

61141559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 32.

The square root of 61141559 is about 7819.3068107090. The cubic root of 61141559 is about 393.9539894050.

The spelling of 61141559 in words is "sixty-one million, one hundred forty-one thousand, five hundred fifty-nine".