61084243 has 4 divisors (see below), whose sum is σ = 66637368. Its totient is φ = 55531120.

The previous prime is 61084217. The next prime is 61084271. The reversal of 61084243 is 34248016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61084243 - 2²⁵ = 27529811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61084273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2776546 + ... + 2776567.

It is an arithmetic number, because the mean of its divisors is an integer number (16659342).

Almost surely, 2^61084243 is an apocalyptic number.

61084243 is a deficient number, since it is larger than the sum of its proper divisors (5553125).

61084243 is a wasteful number, since it uses less digits than its factorization.

61084243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553124.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 61084243 is about 7815.6409206155. The cubic root of 61084243 is about 393.8308493423.

The spelling of 61084243 in words is "sixty-one million, eighty-four thousand, two hundred forty-three".