610049081 has 8 divisors (see below), whose sum is σ = 631115400. Its totient is φ = 589223808.

The previous prime is 610049071. The next prime is 610049113. The reversal of 610049081 is 180940016.

It can be written as a sum of positive squares in 4 ways, for example, as 279391225 + 330657856 = 16715^2 + 18184^2 .

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 610049081 - 2¹⁰ = 610048057 is a prime.

It is a super-2 number, since 2×610049081² = 744319762457889122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (610049021) 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, 55106 + ... + 65243.

It is an arithmetic number, because the mean of its divisors is an integer number (78889425).

Almost surely, 2^610049081 is an apocalyptic number.

It is an amenable number.

610049081 is a deficient number, since it is larger than the sum of its proper divisors (21066319).

610049081 is a wasteful number, since it uses less digits than its factorization.

610049081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120523.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 610049081 is about 24699.1716662725. The cubic root of 610049081 is about 848.1153542679.

Adding to 610049081 its reverse (180940016), we get a palindrome (790989097).

The spelling of 610049081 in words is "six hundred ten million, forty-nine thousand, eighty-one".