613064845 has 8 divisors (see below), whose sum is σ = 735838200. Its totient is φ = 490344960.

The previous prime is 613064827. The next prime is 613064857. The reversal of 613064845 is 548460316.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 289748484 + 323316361 = 17022^2 + 17981^2 .

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

It is not a de Polignac number, because 613064845 - 2¹⁷ = 612933773 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 18981 + ... + 39829.

It is an arithmetic number, because the mean of its divisors is an integer number (91979775).

Almost surely, 2^613064845 is an apocalyptic number.

It is an amenable number.

613064845 is a deficient number, since it is larger than the sum of its proper divisors (122773355).

613064845 is a wasteful number, since it uses less digits than its factorization.

613064845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26735.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 613064845 is about 24760.1463040912. The cubic root of 613064845 is about 849.5106040927.

The spelling of 613064845 in words is "six hundred thirteen million, sixty-four thousand, eight hundred forty-five".