610485557 has 4 divisors (see below), whose sum is σ = 665984256. Its totient is φ = 554986860.

The previous prime is 610485553. The next prime is 610485569. The reversal of 610485557 is 755584016.

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 not a de Polignac number, because 610485557 - 2² = 610485553 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 (610485553) 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, 27749333 + ... + 27749354.

It is an arithmetic number, because the mean of its divisors is an integer number (166496064).

Almost surely, 2^610485557 is an apocalyptic number.

It is an amenable number.

610485557 is a deficient number, since it is larger than the sum of its proper divisors (55498699).

610485557 is a wasteful number, since it uses less digits than its factorization.

610485557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55498698.

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 610485557 is about 24708.0059292530. The cubic root of 610485557 is about 848.3175750173.

The spelling of 610485557 in words is "six hundred ten million, four hundred eighty-five thousand, five hundred fifty-seven".