61197697 has 8 divisors (see below), whose sum is σ = 66830400. Its totient is φ = 55576560.

The previous prime is 61197679. The next prime is 61197709. The reversal of 61197697 is 79679116.

61197697 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61197697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61197607) 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, 11179 + ... + 15727.

It is an arithmetic number, because the mean of its divisors is an integer number (8353800).

Almost surely, 2^61197697 is an apocalyptic number.

It is an amenable number.

61197697 is a deficient number, since it is larger than the sum of its proper divisors (5632703).

61197697 is a wasteful number, since it uses less digits than its factorization.

61197697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783.

The product of its digits is 142884, while the sum is 46.

The square root of 61197697 is about 7822.8956914943. The cubic root of 61197697 is about 394.0745240257.

The spelling of 61197697 in words is "sixty-one million, one hundred ninety-seven thousand, six hundred ninety-seven".