610561101 has 8 divisors (see below), whose sum is σ = 819473344. Its totient is φ = 404344800.

The previous prime is 610561057. The next prime is 610561121. The reversal of 610561101 is 101165016.

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

It is not a de Polignac number, because 610561101 - 2⁹ = 610560589 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 (610561121) 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 7 ways as a sum of consecutive naturals, for example, 673456 + ... + 674361.

It is an arithmetic number, because the mean of its divisors is an integer number (102434168).

Almost surely, 2^610561101 is an apocalyptic number.

It is an amenable number.

610561101 is a deficient number, since it is larger than the sum of its proper divisors (208912243).

610561101 is a wasteful number, since it uses less digits than its factorization.

610561101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347971.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 610561101 is about 24709.5346172282. The cubic root of 610561101 is about 848.3525650122.

The spelling of 610561101 in words is "six hundred ten million, five hundred sixty-one thousand, one hundred one".