61017197 has 8 divisors (see below), whose sum is σ = 61737336. Its totient is φ = 60301312.

The previous prime is 61017193. The next prime is 61017211. The reversal of 61017197 is 79171016.

61017197 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 27678121 + 33339076 = 5261^2 + 5774^2 .

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 61017197 - 2² = 61017193 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 (61017193) 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, 34343 + ... + 36075.

It is an arithmetic number, because the mean of its divisors is an integer number (7717167).

Almost surely, 2^61017197 is an apocalyptic number.

It is an amenable number.

61017197 is a deficient number, since it is larger than the sum of its proper divisors (720139).

61017197 is a wasteful number, since it uses less digits than its factorization.

61017197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127.

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 61017197 is about 7811.3505234370. The cubic root of 61017197 is about 393.6867071526.

The spelling of 61017197 in words is "sixty-one million, seventeen thousand, one hundred ninety-seven".