610555061 has 4 divisors (see below), whose sum is σ = 614598624. Its totient is φ = 606511500.

The previous prime is 610555037. The next prime is 610555091. The reversal of 610555061 is 160555016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-610555061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610555091) 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 3 ways as a sum of consecutive naturals, for example, 2021555 + ... + 2021856.

It is an arithmetic number, because the mean of its divisors is an integer number (153649656).

Almost surely, 2^610555061 is an apocalyptic number.

It is an amenable number.

610555061 is a deficient number, since it is larger than the sum of its proper divisors (4043563).

610555061 is a wasteful number, since it uses less digits than its factorization.

610555061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043562.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 610555061 is about 24709.4123968985. The cubic root of 610555061 is about 848.3497675492.

The spelling of 610555061 in words is "six hundred ten million, five hundred fifty-five thousand, sixty-one".