61197 has 4 divisors (see below), whose sum is σ = 81600. Its totient is φ = 40796.

The previous prime is 61169. The next prime is 61211. The reversal of 61197 is 79116.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61197 - 2¹¹ = 59149 is a prime.

It is a D-number.

61197 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10197 + ... + 10202.

It is an arithmetic number, because the mean of its divisors is an integer number (20400).

2⁶¹¹⁹⁷ is an apocalyptic number.

It is an amenable number.

61197 is a deficient number, since it is larger than the sum of its proper divisors (20403).

61197 is a wasteful number, since it uses less digits than its factorization.

61197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20402.

The product of its digits is 378, while the sum is 24.

The square root of 61197 is about 247.3802740721. The cubic root of 61197 is about 39.4073027940.

The spelling of 61197 in words is "sixty-one thousand, one hundred ninety-seven".