610985603 has 8 divisors (see below), whose sum is σ = 663889920. Its totient is φ = 560156040.

The previous prime is 610985579. The next prime is 610985611. The reversal of 610985603 is 306589016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 610985603 - 2¹⁶ = 610920067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (610985633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518075 + ... + 519252.

It is an arithmetic number, because the mean of its divisors is an integer number (82986240).

Almost surely, 2^610985603 is an apocalyptic number.

610985603 is a deficient number, since it is larger than the sum of its proper divisors (52904317).

610985603 is a wasteful number, since it uses less digits than its factorization.

610985603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037377.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 610985603 is about 24718.1229667627. The cubic root of 610985603 is about 848.5491295225.

The spelling of 610985603 in words is "six hundred ten million, nine hundred eighty-five thousand, six hundred three".