610505005 has 16 divisors (see below), whose sum is σ = 811139904. Its totient is φ = 437374080.

The previous prime is 610504997. The next prime is 610505009. The reversal of 610505005 is 500505016.

It is not a de Polignac number, because 610505005 - 2³ = 610504997 is a prime.

It is a super-2 number, since 2×610505005² = 745432722260100050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610505009) 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 15 ways as a sum of consecutive naturals, for example, 79152 + ... + 86521.

It is an arithmetic number, because the mean of its divisors is an integer number (50696244).

Almost surely, 2^610505005 is an apocalyptic number.

It is an amenable number.

610505005 is a deficient number, since it is larger than the sum of its proper divisors (200634899).

610505005 is a wasteful number, since it uses less digits than its factorization.

610505005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165756.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 610505005 is about 24708.3994827670. The cubic root of 610505005 is about 848.3265830955.

The spelling of 610505005 in words is "six hundred ten million, five hundred five thousand, five".