61189343 has 8 divisors (see below), whose sum is σ = 63440496. Its totient is φ = 58974400.

The previous prime is 61189339. The next prime is 61189351. The reversal of 61189343 is 34398116.

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

It is not a de Polignac number, because 61189343 - 2² = 61189339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61189363) 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 7 ways as a sum of consecutive naturals, for example, 5588 + ... + 12393.

It is an arithmetic number, because the mean of its divisors is an integer number (7930062).

Almost surely, 2^61189343 is an apocalyptic number.

61189343 is a deficient number, since it is larger than the sum of its proper divisors (2251153).

61189343 is a wasteful number, since it uses less digits than its factorization.

61189343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18105.

The product of its digits is 15552, while the sum is 35.

The square root of 61189343 is about 7822.3617277648. The cubic root of 61189343 is about 394.0565917148.

The spelling of 61189343 in words is "sixty-one million, one hundred eighty-nine thousand, three hundred forty-three".