613538 has 16 divisors (see below), whose sum is σ = 964224. Its totient is φ = 292560.

The previous prime is 613523. The next prime is 613549. The reversal of 613538 is 835316.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5681 + ... + 5787.

It is an arithmetic number, because the mean of its divisors is an integer number (60264).

2⁶¹³⁵³⁸ is an apocalyptic number.

613538 is a deficient number, since it is larger than the sum of its proper divisors (350686).

613538 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 13 representation: 613538 = (186353)₁₃.

613538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217.

The product of its digits is 2160, while the sum is 26.

The square root of 613538 is about 783.2866652765. The cubic root of 613538 is about 84.9729094753.

The spelling of 613538 in words is "six hundred thirteen thousand, five hundred thirty-eight".