61306093 has 8 divisors (see below), whose sum is σ = 61892288. Its totient is φ = 60722784.

The previous prime is 61306079. The next prime is 61306099. The reversal of 61306093 is 39060316.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61306093 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 (61306099) 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, 74080 + ... + 74902.

It is an arithmetic number, because the mean of its divisors is an integer number (7736536).

Almost surely, 2^61306093 is an apocalyptic number.

It is an amenable number.

61306093 is a deficient number, since it is larger than the sum of its proper divisors (586195).

61306093 is a wasteful number, since it uses less digits than its factorization.

61306093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 61306093 is about 7829.8207514604. The cubic root of 61306093 is about 394.3070540543.

The spelling of 61306093 in words is "sixty-one million, three hundred six thousand, ninety-three".