610345 has 4 divisors (see below), whose sum is σ = 732420. Its totient is φ = 488272.

The previous prime is 610339. The next prime is 610391. The reversal of 610345 is 543016.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87616 + 522729 = 296^2 + 723^2 .

It is a cyclic number.

It is not a de Polignac number, because 610345 - 2⁷ = 610217 is a prime.

It is an alternating number because its digits alternate between even and odd.

610345 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61030 + ... + 61039.

It is an arithmetic number, because the mean of its divisors is an integer number (183105).

2⁶¹⁰³⁴⁵ is an apocalyptic number.

It is an amenable number.

610345 is a deficient number, since it is larger than the sum of its proper divisors (122075).

610345 is a wasteful number, since it uses less digits than its factorization.

610345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122074.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 610345 is about 781.2457999887. The cubic root of 610345 is about 84.8252465027.

The spelling of 610345 in words is "six hundred ten thousand, three hundred forty-five".