613290 has 16 divisors (see below), whose sum is σ = 1471968. Its totient is φ = 163536.

The previous prime is 613289. The next prime is 613297. The reversal of 613290 is 92316.

It is a super-2 number, since 2×613290² = 752249248200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (613297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10192 + ... + 10251.

It is an arithmetic number, because the mean of its divisors is an integer number (91998).

2⁶¹³²⁹⁰ is an apocalyptic number.

613290 is an abundant number, since it is smaller than the sum of its proper divisors (858678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613290 is a wasteful number, since it uses less digits than its factorization.

613290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20453.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 613290 is about 783.1283419721. The cubic root of 613290 is about 84.9614588824.

It can be divided in two parts, 613 and 290, that added together give a triangular number (903 = T₄₂).

The spelling of 613290 in words is "six hundred thirteen thousand, two hundred ninety".