61306113 has 8 divisors (see below), whose sum is σ = 89172576. Its totient is φ = 37155200.

The previous prime is 61306099. The next prime is 61306121. The reversal of 61306113 is 31160316.

61306113 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 61306113 - 2¹⁰ = 61305089 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61306113.

It is not an unprimeable number, because it can be changed into a prime (61306123) 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, 928848 + ... + 928913.

It is an arithmetic number, because the mean of its divisors is an integer number (11146572).

Almost surely, 2^61306113 is an apocalyptic number.

It is an amenable number.

61306113 is a deficient number, since it is larger than the sum of its proper divisors (27866463).

61306113 is a wasteful number, since it uses less digits than its factorization.

61306113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857775.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 61306113 is about 7829.8220286287. The cubic root of 61306113 is about 394.3070969328.

Adding to 61306113 its reverse (31160316), we get a palindrome (92466429).

The spelling of 61306113 in words is "sixty-one million, three hundred six thousand, one hundred thirteen".