61043047 has 8 divisors (see below), whose sum is σ = 65913120. Its totient is φ = 56197920.

The previous prime is 61043023. The next prime is 61043077. The reversal of 61043047 is 74034016.

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 61043047 - 2²³ = 52654439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61043077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979 + ... + 11092.

It is an arithmetic number, because the mean of its divisors is an integer number (8239140).

Almost surely, 2^61043047 is an apocalyptic number.

61043047 is a deficient number, since it is larger than the sum of its proper divisors (4870073).

61043047 is a wasteful number, since it uses less digits than its factorization.

61043047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12473.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 61043047 is about 7813.0049916789. The cubic root of 61043047 is about 393.7422945666.

The spelling of 61043047 in words is "sixty-one million, forty-three thousand, forty-seven".