613682431 has 8 divisors (see below), whose sum is σ = 633205440. Its totient is φ = 594428928.

The previous prime is 613682357. The next prime is 613682471. The reversal of 613682431 is 134286316.

It is a happy number.

613682431 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 de Polignac number, because none of the positive numbers 2^k-613682431 is a prime.

It is a super-2 number, since 2×613682431² = 753212252236139522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613682471) 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, 62746 + ... + 71863.

It is an arithmetic number, because the mean of its divisors is an integer number (79150680).

Almost surely, 2^613682431 is an apocalyptic number.

613682431 is a deficient number, since it is larger than the sum of its proper divisors (19523009).

613682431 is a wasteful number, since it uses less digits than its factorization.

613682431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134753.

The product of its digits is 20736, while the sum is 34.

The square root of 613682431 is about 24772.6145370245. The cubic root of 613682431 is about 849.7957668489.

The spelling of 613682431 in words is "six hundred thirteen million, six hundred eighty-two thousand, four hundred thirty-one".