613545565425 has 24 divisors (see below), whose sum is σ = 1092425746944. Its totient is φ = 302053200960.

The previous prime is 613545565379. The next prime is 613545565439. The reversal of 613545565425 is 524565545316.

It is not a de Polignac number, because 613545565425 - 2¹⁵ = 613545532657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 314637777 + ... + 314639726.

It is an arithmetic number, because the mean of its divisors is an integer number (45517739456).

Almost surely, 2^613545565425 is an apocalyptic number.

613545565425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

613545565425 is a deficient number, since it is larger than the sum of its proper divisors (478880181519).

613545565425 is a wasteful number, since it uses less digits than its factorization.

613545565425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629277529 (or 629277524 counting only the distinct ones).

The product of its digits is 10800000, while the sum is 51.

The spelling of 613545565425 in words is "six hundred thirteen billion, five hundred forty-five million, five hundred sixty-five thousand, four hundred twenty-five".