61102859 has 2 divisors, whose sum is σ = 61102860. Its totient is φ = 61102858.

The previous prime is 61102849. The next prime is 61102889. The reversal of 61102859 is 95820116.

61102859 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 is a cyclic number.

It is not a de Polignac number, because 61102859 - 2⁴ = 61102843 is a prime.

It is not a weakly prime, because it can be changed into another prime (61102849) 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, 30551429 + 30551430.

It is an arithmetic number, because the mean of its divisors is an integer number (30551430).

Almost surely, 2^61102859 is an apocalyptic number.

61102859 is a deficient number, since it is larger than the sum of its proper divisors (1).

61102859 is an equidigital number, since it uses as much as digits as its factorization.

61102859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 61102859 is about 7816.8317750864. The cubic root of 61102859 is about 393.8708531691.

The spelling of 61102859 in words is "sixty-one million, one hundred two thousand, eight hundred fifty-nine".