61383217 has 8 divisors (see below), whose sum is σ = 70545600. Its totient is φ = 52319184.

The previous prime is 61383199. The next prime is 61383229. The reversal of 61383217 is 71238316.

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 61383217 - 2⁷ = 61383089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61383247) 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 7 ways as a sum of consecutive naturals, for example, 23242 + ... + 25747.

It is an arithmetic number, because the mean of its divisors is an integer number (8818200).

Almost surely, 2^61383217 is an apocalyptic number.

It is an amenable number.

61383217 is a deficient number, since it is larger than the sum of its proper divisors (9162383).

61383217 is a wasteful number, since it uses less digits than its factorization.

61383217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49175.

The product of its digits is 6048, while the sum is 31.

The square root of 61383217 is about 7834.7442204580. The cubic root of 61383217 is about 394.4723328618.

The spelling of 61383217 in words is "sixty-one million, three hundred eighty-three thousand, two hundred seventeen".