613263 has 32 divisors (see below), whose sum is σ = 1036800. Its totient is φ = 314496.

The previous prime is 613253. The next prime is 613267. The reversal of 613263 is 362316.

613263 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 613263 - 2⁴ = 613247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

613263 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11545 + ... + 11597.

It is an arithmetic number, because the mean of its divisors is an integer number (32400).

2⁶¹³²⁶³ is an apocalyptic number.

613263 is a deficient number, since it is larger than the sum of its proper divisors (423537).

613263 is a wasteful number, since it uses less digits than its factorization.

613263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111.

The product of its digits is 648, while the sum is 21.

The square root of 613263 is about 783.1111032287. Note that the first 4 decimals coincide. The cubic root of 613263 is about 84.9602120589.

Adding to 613263 its reverse (362316), we get a palindrome (975579).

The spelling of 613263 in words is "six hundred thirteen thousand, two hundred sixty-three".