61105267 has 2 divisors, whose sum is σ = 61105268. Its totient is φ = 61105266.

The previous prime is 61105243. The next prime is 61105271. The reversal of 61105267 is 76250116.

61105267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61105267 - 2¹⁵ = 61072499 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61105207) 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, 30552633 + 30552634.

It is an arithmetic number, because the mean of its divisors is an integer number (30552634).

Almost surely, 2^61105267 is an apocalyptic number.

61105267 is a deficient number, since it is larger than the sum of its proper divisors (1).

61105267 is an equidigital number, since it uses as much as digits as its factorization.

61105267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 61105267 is about 7816.9858001662. The cubic root of 61105267 is about 393.8760271145.

The spelling of 61105267 in words is "sixty-one million, one hundred five thousand, two hundred sixty-seven".