613087 has 4 divisors (see below), whose sum is σ = 632896. Its totient is φ = 593280.

The previous prime is 613061. The next prime is 613097. The reversal of 613087 is 780316.

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

It is a cyclic number.

It is not a de Polignac number, because 613087 - 2¹⁹ = 88799 is a prime.

It is a super-3 number, since 3×613087³ = 691333459887148509, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613007) 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, 9858 + ... + 9919.

It is an arithmetic number, because the mean of its divisors is an integer number (158224).

2⁶¹³⁰⁸⁷ is an apocalyptic number.

613087 is a deficient number, since it is larger than the sum of its proper divisors (19809).

613087 is a wasteful number, since it uses less digits than its factorization.

613087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19808.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 613087 is about 782.9987228598. The cubic root of 613087 is about 84.9520837203.

The spelling of 613087 in words is "six hundred thirteen thousand, eighty-seven".