61112897 has 2 divisors, whose sum is σ = 61112898. Its totient is φ = 61112896.

The previous prime is 61112881. The next prime is 61112917. The reversal of 61112897 is 79821116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31181056 + 29931841 = 5584^2 + 5471^2 .

It is a cyclic number.

It is not a de Polignac number, because 61112897 - 2⁴ = 61112881 is a prime.

It is not a weakly prime, because it can be changed into another prime (61112827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30556448 + 30556449.

It is an arithmetic number, because the mean of its divisors is an integer number (30556449).

Almost surely, 2^61112897 is an apocalyptic number.

It is an amenable number.

61112897 is a deficient number, since it is larger than the sum of its proper divisors (1).

61112897 is an equidigital number, since it uses as much as digits as its factorization.

61112897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 35.

The square root of 61112897 is about 7817.4738247083. The cubic root of 61112897 is about 393.8924204040.

The spelling of 61112897 in words is "sixty-one million, one hundred twelve thousand, eight hundred ninety-seven".