61061217 has 8 divisors (see below), whose sum is σ = 93045696. Its totient is φ = 34892112.

The previous prime is 61061213. The next prime is 61061237. The reversal of 61061217 is 71216016.

61061217 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 not a de Polignac number, because 61061217 - 2² = 61061213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61061213) 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, 1453818 + ... + 1453859.

It is an arithmetic number, because the mean of its divisors is an integer number (11630712).

Almost surely, 2^61061217 is an apocalyptic number.

It is an amenable number.

61061217 is a deficient number, since it is larger than the sum of its proper divisors (31984479).

61061217 is a wasteful number, since it uses less digits than its factorization.

61061217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907687.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 61061217 is about 7814.1677099996. The cubic root of 61061217 is about 393.7813576438.

The spelling of 61061217 in words is "sixty-one million, sixty-one thousand, two hundred seventeen".