613043263 has 6 divisors (see below), whose sum is σ = 713132016. Its totient is φ = 525465612.

The previous prime is 613043261. The next prime is 613043297. The reversal of 613043263 is 362340316.

It is not a de Polignac number, because 613043263 - 2¹ = 613043261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613043261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6255495 + ... + 6255592.

It is an arithmetic number, because the mean of its divisors is an integer number (118855336).

Almost surely, 2^613043263 is an apocalyptic number.

613043263 is a deficient number, since it is larger than the sum of its proper divisors (100088753).

613043263 is a wasteful number, since it uses less digits than its factorization.

613043263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12511101 (or 12511094 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 613043263 is about 24759.7104789212. The cubic root of 613043263 is about 849.5006354066.

Adding to 613043263 its reverse (362340316), we get a palindrome (975383579).

The spelling of 613043263 in words is "six hundred thirteen million, forty-three thousand, two hundred sixty-three".