61041147 has 16 divisors (see below), whose sum is σ = 82336800. Its totient is φ = 40223232.

The previous prime is 61041133. The next prime is 61041151. The reversal of 61041147 is 74114016.

It is not a de Polignac number, because 61041147 - 2¹⁰ = 61040123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61041187) 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 in 15 ways as a sum of consecutive naturals, for example, 174729 + ... + 175077.

It is an arithmetic number, because the mean of its divisors is an integer number (5146050).

Almost surely, 2^61041147 is an apocalyptic number.

61041147 is a deficient number, since it is larger than the sum of its proper divisors (21295653).

61041147 is a wasteful number, since it uses less digits than its factorization.

61041147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 61041147 is about 7812.8833985924. The cubic root of 61041147 is about 393.7382093723.

The spelling of 61041147 in words is "sixty-one million, forty-one thousand, one hundred forty-seven".