61248197 has 2 divisors, whose sum is σ = 61248198. Its totient is φ = 61248196.

The previous prime is 61248181. The next prime is 61248217. The reversal of 61248197 is 79184216.

61248197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37957921 + 23290276 = 6161^2 + 4826^2 .

It is a cyclic number.

It is not a de Polignac number, because 61248197 - 2⁴ = 61248181 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61248197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61248797) 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 as a sum of consecutive naturals, namely, 30624098 + 30624099.

It is an arithmetic number, because the mean of its divisors is an integer number (30624099).

Almost surely, 2^61248197 is an apocalyptic number.

It is an amenable number.

61248197 is a deficient number, since it is larger than the sum of its proper divisors (1).

61248197 is an equidigital number, since it uses as much as digits as its factorization.

61248197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 61248197 is about 7826.1227309569. The cubic root of 61248197 is about 394.1828902603.

The spelling of 61248197 in words is "sixty-one million, two hundred forty-eight thousand, one hundred ninety-seven".