613776541 has 4 divisors (see below), whose sum is σ = 701458912. Its totient is φ = 526094172.

The previous prime is 613776523. The next prime is 613776557. The reversal of 613776541 is 145677316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 613776541 - 2⁵ = 613776509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 613776494 and 613776503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613776341) 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, 43841175 + ... + 43841188.

It is an arithmetic number, because the mean of its divisors is an integer number (175364728).

Almost surely, 2^613776541 is an apocalyptic number.

It is an amenable number.

613776541 is a deficient number, since it is larger than the sum of its proper divisors (87682371).

613776541 is an equidigital number, since it uses as much as digits as its factorization.

613776541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87682370.

The product of its digits is 105840, while the sum is 40.

The square root of 613776541 is about 24774.5139407416. The cubic root of 613776541 is about 849.8392041860.

The spelling of 613776541 in words is "six hundred thirteen million, seven hundred seventy-six thousand, five hundred forty-one".