613285825 has 12 divisors (see below), whose sum is σ = 773365680. Its totient is φ = 482311760.

The previous prime is 613285811. The next prime is 613285867. The reversal of 613285825 is 528582316.

It is not a de Polignac number, because 613285825 - 2¹³ = 613277633 is a prime.

It is a super-2 number, since 2×613285825² = 752239006291861250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206419 + ... + 209368.

It is an arithmetic number, because the mean of its divisors is an integer number (64447140).

Almost surely, 2^613285825 is an apocalyptic number.

It is an amenable number.

613285825 is a deficient number, since it is larger than the sum of its proper divisors (160079855).

613285825 is a wasteful number, since it uses less digits than its factorization.

613285825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415856 (or 415851 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 613285825 is about 24764.6083150935. The cubic root of 613285825 is about 849.6126608893.

The spelling of 613285825 in words is "six hundred thirteen million, two hundred eighty-five thousand, eight hundred twenty-five".