61382863 has 8 divisors (see below), whose sum is σ = 66190320. Its totient is φ = 56733120.

The previous prime is 61382857. The next prime is 61382873. The reversal of 61382863 is 36828316.

61382863 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 61382863 - 2⁹ = 61382351 is a prime.

It is a super-3 number, since 3×61382863³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61382873) 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, 38620 + ... + 40177.

It is an arithmetic number, because the mean of its divisors is an integer number (8273790).

Almost surely, 2^61382863 is an apocalyptic number.

61382863 is a deficient number, since it is larger than the sum of its proper divisors (4807457).

61382863 is a wasteful number, since it uses less digits than its factorization.

61382863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78857.

The product of its digits is 41472, while the sum is 37.

The square root of 61382863 is about 7834.7216287498. The cubic root of 61382863 is about 394.4715745466.

The spelling of 61382863 in words is "sixty-one million, three hundred eighty-two thousand, eight hundred sixty-three".