61198927 has 2 divisors, whose sum is σ = 61198928. Its totient is φ = 61198926.

The previous prime is 61198913. The next prime is 61198931. The reversal of 61198927 is 72989116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61198927 - 2¹¹ = 61196879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61198957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30599463 + 30599464.

It is an arithmetic number, because the mean of its divisors is an integer number (30599464).

Almost surely, 2^61198927 is an apocalyptic number.

61198927 is a deficient number, since it is larger than the sum of its proper divisors (1).

61198927 is an equidigital number, since it uses as much as digits as its factorization.

61198927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 43.

The square root of 61198927 is about 7822.9743064898. The cubic root of 61198927 is about 394.0771641491.

The spelling of 61198927 in words is "sixty-one million, one hundred ninety-eight thousand, nine hundred twenty-seven".