60810857 has 2 divisors, whose sum is σ = 60810858. Its totient is φ = 60810856.

The previous prime is 60810851. The next prime is 60810859. The reversal of 60810857 is 75801806.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58690921 + 2119936 = 7661^2 + 1456^2 .

It is a cyclic number.

It is not a de Polignac number, because 60810857 - 2⁶ = 60810793 is a prime.

Together with 60810859, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (60810851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30405428 + 30405429.

It is an arithmetic number, because the mean of its divisors is an integer number (30405429).

Almost surely, 2^60810857 is an apocalyptic number.

It is an amenable number.

60810857 is a deficient number, since it is larger than the sum of its proper divisors (1).

60810857 is an equidigital number, since it uses as much as digits as its factorization.

60810857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 60810857 is about 7798.1316352060. The cubic root of 60810857 is about 393.2424331902.

The spelling of 60810857 in words is "sixty million, eight hundred ten thousand, eight hundred fifty-seven".