613132369 has 4 divisors (see below), whose sum is σ = 613228644. Its totient is φ = 613036096.

The previous prime is 613132339. The next prime is 613132379. The reversal of 613132369 is 963231316.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 324540225 + 288592144 = 18015^2 + 16988^2 .

It is a cyclic number.

It is not a de Polignac number, because 613132369 - 2¹¹ = 613130321 is a prime.

It is a super-2 number, since 2×613132369² = 751862603831104322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613132339) 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, 37852 + ... + 51565.

It is an arithmetic number, because the mean of its divisors is an integer number (153307161).

Almost surely, 2^613132369 is an apocalyptic number.

It is an amenable number.

613132369 is a deficient number, since it is larger than the sum of its proper divisors (96275).

613132369 is an equidigital number, since it uses as much as digits as its factorization.

613132369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96274.

The product of its digits is 17496, while the sum is 34.

The square root of 613132369 is about 24761.5098287645. The cubic root of 613132369 is about 849.5417917931.

The spelling of 613132369 in words is "six hundred thirteen million, one hundred thirty-two thousand, three hundred sixty-nine".