613285853 has 4 divisors (see below), whose sum is σ = 613946940. Its totient is φ = 612624768.

The previous prime is 613285811. The next prime is 613285867. The reversal of 613285853 is 358582316.

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

It can be written as a sum of positive squares in 2 ways, for example, as 203547289 + 409738564 = 14267^2 + 20242^2 .

It is a cyclic number.

It is not a de Polignac number, because 613285853 - 2⁸ = 613285597 is a prime.

It is a super-2 number, since 2×613285853² = 752239074979875218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 613285853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613285753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329150 + ... + 331007.

It is an arithmetic number, because the mean of its divisors is an integer number (153486735).

Almost surely, 2^613285853 is an apocalyptic number.

It is an amenable number.

613285853 is a deficient number, since it is larger than the sum of its proper divisors (661087).

613285853 is an equidigital number, since it uses as much as digits as its factorization.

613285853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661086.

The product of its digits is 172800, while the sum is 41.

The square root of 613285853 is about 24764.6088804164. The cubic root of 613285853 is about 849.6126738192.

The spelling of 613285853 in words is "six hundred thirteen million, two hundred eighty-five thousand, eight hundred fifty-three".