613375 has 16 divisors (see below), whose sum is σ = 876096. Its totient is φ = 420000.

The previous prime is 613367. The next prime is 613381. The reversal of 613375 is 573316.

It is a happy number.

It is not a de Polignac number, because 613375 - 2³ = 613367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a plaindrome in base 8.

It is a zygodrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525 + ... + 1225.

It is an arithmetic number, because the mean of its divisors is an integer number (54756).

613375 is a Friedman number, since it can be written as (17^3-6)*5^3, using all its digits and the basic arithmetic operations.

2⁶¹³³⁷⁵ is an apocalyptic number.

613375 is a deficient number, since it is larger than the sum of its proper divisors (262721).

613375 is an equidigital number, since it uses as much as digits as its factorization.

613375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 713 counting only the distinct ones).

The product of its digits is 1890, while the sum is 25.

The square root of 613375 is about 783.1826096129. The cubic root of 613375 is about 84.9653838284.

The spelling of 613375 in words is "six hundred thirteen thousand, three hundred seventy-five".