61349105 has 8 divisors (see below), whose sum is σ = 74378472. Its totient is φ = 48572928.

The previous prime is 61349083. The next prime is 61349173. The reversal of 61349105 is 50194316.

61349105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12475024 + 48874081 = 3532^2 + 6991^2 .

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 61349105 - 2²⁴ = 44571889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 62762 + ... + 63731.

It is an arithmetic number, because the mean of its divisors is an integer number (9297309).

Almost surely, 2^61349105 is an apocalyptic number.

It is an amenable number.

61349105 is a deficient number, since it is larger than the sum of its proper divisors (13029367).

61349105 is a wasteful number, since it uses less digits than its factorization.

61349105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126595.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 61349105 is about 7832.5669483254. The cubic root of 61349105 is about 394.3992470125.

The spelling of 61349105 in words is "sixty-one million, three hundred forty-nine thousand, one hundred five".