613090 has 16 divisors (see below), whose sum is σ = 1134072. Its totient is φ = 238464.

The previous prime is 613061. The next prime is 613097. The reversal of 613090 is 90316.

613090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 783²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 549081 + 64009 = 741^2 + 253^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459 + ... + 1198.

2⁶¹³⁰⁹⁰ is an apocalyptic number.

613090 is a deficient number, since it is larger than the sum of its proper divisors (520982).

613090 is a wasteful number, since it uses less digits than its factorization.

613090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 613090 is about 783.0006385693. Note that the first 3 decimals coincide. The cubic root of 613090 is about 84.9522222846.

The spelling of 613090 in words is "six hundred thirteen thousand, ninety".