613155641 has 8 divisors (see below), whose sum is σ = 703356480. Its totient is φ = 523606608.

The previous prime is 613155623. The next prime is 613155667. The reversal of 613155641 is 146551316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 613155641 - 2²² = 608961337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 613155598 and 613155607.

It is not an unprimeable number, because it can be changed into a prime (613155841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160931 + ... + 164696.

It is an arithmetic number, because the mean of its divisors is an integer number (87919560).

Almost surely, 2^613155641 is an apocalyptic number.

It is an amenable number.

613155641 is a deficient number, since it is larger than the sum of its proper divisors (90200839).

613155641 is a wasteful number, since it uses less digits than its factorization.

613155641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325903.

The product of its digits is 10800, while the sum is 32.

The square root of 613155641 is about 24761.9797471850. The cubic root of 613155641 is about 849.5525400358.

The spelling of 613155641 in words is "six hundred thirteen million, one hundred fifty-five thousand, six hundred forty-one".