61647141 has 8 divisors (see below), whose sum is σ = 82271520. Its totient is φ = 41060432.

The previous prime is 61647133. The next prime is 61647211. The reversal of 61647141 is 14174616.

61647141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61647141 - 2³ = 61647133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61647099 and 61647108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61647101) 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 in 7 ways as a sum of consecutive naturals, for example, 5346 + ... + 12323.

It is an arithmetic number, because the mean of its divisors is an integer number (10283940).

Almost surely, 2^61647141 is an apocalyptic number.

It is an amenable number.

61647141 is a deficient number, since it is larger than the sum of its proper divisors (20624379).

61647141 is a wasteful number, since it uses less digits than its factorization.

61647141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18835.

The product of its digits is 4032, while the sum is 30.

The square root of 61647141 is about 7851.5693335791. The cubic root of 61647141 is about 395.0368838068.

The spelling of 61647141 in words is "sixty-one million, six hundred forty-seven thousand, one hundred forty-one".