610223621 has 12 divisors (see below), whose sum is σ = 714009312. Its totient is φ = 510874056.

The previous prime is 610223599. The next prime is 610223633. The reversal of 610223621 is 126322016.

It is not a de Polignac number, because 610223621 - 2¹⁰ = 610222597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610223641) 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 in 11 ways as a sum of consecutive naturals, for example, 10631 + ... + 36516.

It is an arithmetic number, because the mean of its divisors is an integer number (59500776).

Almost surely, 2^610223621 is an apocalyptic number.

It is an amenable number.

610223621 is a deficient number, since it is larger than the sum of its proper divisors (103785691).

610223621 is an equidigital number, since it uses as much as digits as its factorization.

610223621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47240 (or 47197 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 610223621 is about 24702.7047304541. The cubic root of 610223621 is about 848.1962307871.

Adding to 610223621 its reverse (126322016), we get a palindrome (736545637).

The spelling of 610223621 in words is "six hundred ten million, two hundred twenty-three thousand, six hundred twenty-one".