610334561 has 12 divisors (see below), whose sum is σ = 661648932. Its totient is φ = 561044736.

The previous prime is 610334521. The next prime is 610334581. The reversal of 610334561 is 165433016.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 175403536 + 434931025 = 13244^2 + 20855^2 .

It is a de Polignac number, because none of the positive numbers 2^k-610334561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (610334521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21725 + ... + 41141.

It is an arithmetic number, because the mean of its divisors is an integer number (55137411).

Almost surely, 2^610334561 is an apocalyptic number.

It is an amenable number.

610334561 is a deficient number, since it is larger than the sum of its proper divisors (51314371).

610334561 is a wasteful number, since it uses less digits than its factorization.

610334561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19520 (or 19477 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 610334561 is about 24704.9501315020. The cubic root of 610334561 is about 848.2476289876.

Adding to 610334561 its reverse (165433016), we get a palindrome (775767577).

The spelling of 610334561 in words is "six hundred ten million, three hundred thirty-four thousand, five hundred sixty-one".