610821652 has 36 divisors (see below), whose sum is σ = 1308911520. Its totient is φ = 248001264.

The previous prime is 610821623. The next prime is 610821703. The reversal of 610821652 is 256128016.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 78288 + ... + 85735.

Almost surely, 2^610821652 is an apocalyptic number.

It is an amenable number.

610821652 is an abundant number, since it is smaller than the sum of its proper divisors (698089868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

610821652 is a wasteful number, since it uses less digits than its factorization.

610821652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164060 (or 164051 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 610821652 is about 24714.8063314281. The cubic root of 610821652 is about 848.4732232473.

Adding to 610821652 its reverse (256128016), we get a palindrome (866949668).

The spelling of 610821652 in words is "six hundred ten million, eight hundred twenty-one thousand, six hundred fifty-two".