610220257 has 2 divisors, whose sum is σ = 610220258. Its totient is φ = 610220256.

The previous prime is 610220209. The next prime is 610220263. The reversal of 610220257 is 752022016.

610220257 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 can be written as a sum of positive squares in only one way, i.e., 311310736 + 298909521 = 17644^2 + 17289^2 .

It is a cyclic number.

It is not a de Polignac number, because 610220257 - 2¹¹ = 610218209 is a prime.

It is not a weakly prime, because it can be changed into another prime (610220557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305110128 + 305110129.

It is an arithmetic number, because the mean of its divisors is an integer number (305110129).

Almost surely, 2^610220257 is an apocalyptic number.

It is an amenable number.

610220257 is a deficient number, since it is larger than the sum of its proper divisors (1).

610220257 is an equidigital number, since it uses as much as digits as its factorization.

610220257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 610220257 is about 24702.6366406503. The cubic root of 610220257 is about 848.1946721578.

The spelling of 610220257 in words is "six hundred ten million, two hundred twenty thousand, two hundred fifty-seven".