610644225 has 24 divisors (see below), whose sum is σ = 1015198912. Its totient is φ = 323870400.

The previous prime is 610644193. The next prime is 610644299. The reversal of 610644225 is 522446016.

It is not a de Polignac number, because 610644225 - 2⁵ = 610644193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 610644192 and 610644201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8917 + ... + 36066.

Almost surely, 2^610644225 is an apocalyptic number.

It is an amenable number.

610644225 is a deficient number, since it is larger than the sum of its proper divisors (404554687).

610644225 is a wasteful number, since it uses less digits than its factorization.

610644225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45177 (or 45172 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 610644225 is about 24711.2165827585. The cubic root of 610644225 is about 848.3910625290.

The spelling of 610644225 in words is "six hundred ten million, six hundred forty-four thousand, two hundred twenty-five".