613996427 has 8 divisors (see below), whose sum is σ = 679249152. Its totient is φ = 550316200.

The previous prime is 613996417. The next prime is 613996459. The reversal of 613996427 is 724699316.

It is a happy number.

613996427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 613996427 - 2¹² = 613992331 is a prime.

It is a super-2 number, since 2×613996427² = 753983224737532658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613996417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392303 + ... + 393864.

It is an arithmetic number, because the mean of its divisors is an integer number (84906144).

Almost surely, 2^613996427 is an apocalyptic number.

613996427 is a deficient number, since it is larger than the sum of its proper divisors (65252725).

613996427 is a wasteful number, since it uses less digits than its factorization.

613996427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786249.

The product of its digits is 489888, while the sum is 47.

The square root of 613996427 is about 24778.9512893504. The cubic root of 613996427 is about 849.9406772901.

The spelling of 613996427 in words is "six hundred thirteen million, nine hundred ninety-six thousand, four hundred twenty-seven".