613481 has 8 divisors (see below), whose sum is σ = 685344. Its totient is φ = 544320.

The previous prime is 613471. The next prime is 613493. The reversal of 613481 is 184316.

613481 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 a de Polignac number, because none of the positive numbers 2^k-613481 is a prime.

It is a super-2 number, since 2×613481² = 752717874722, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 613481.

It is not an unprimeable number, because it can be changed into a prime (613421) 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, 176 + ... + 1121.

It is an arithmetic number, because the mean of its divisors is an integer number (85668).

2⁶¹³⁴⁸¹ is an apocalyptic number.

It is an amenable number.

613481 is a deficient number, since it is larger than the sum of its proper divisors (71863).

613481 is a wasteful number, since it uses less digits than its factorization.

613481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351.

The product of its digits is 576, while the sum is 23.

The square root of 613481 is about 783.2502792850. The cubic root of 613481 is about 84.9702779589.

Adding to 613481 its reverse (184316), we get a palindrome (797797).

The spelling of 613481 in words is "six hundred thirteen thousand, four hundred eighty-one".