613498 has 4 divisors (see below), whose sum is σ = 920250. Its totient is φ = 306748.

The previous prime is 613493. The next prime is 613499. The reversal of 613498 is 894316.

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

It can be written as a sum of positive squares in only one way, i.e., 582169 + 31329 = 763^2 + 177^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (613493) by changing a digit.

613498 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 153373 + ... + 153376.

2⁶¹³⁴⁹⁸ is an apocalyptic number.

613498 is a deficient number, since it is larger than the sum of its proper divisors (306752).

613498 is a wasteful number, since it uses less digits than its factorization.

613498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306751.

The product of its digits is 5184, while the sum is 31.

The square root of 613498 is about 783.2611314243. The cubic root of 613498 is about 84.9710628142.

It can be divided in two parts, 613 and 498, that added together give a palindrome (1111).

The spelling of 613498 in words is "six hundred thirteen thousand, four hundred ninety-eight".