613434538 has 8 divisors (see below), whose sum is σ = 942594660. Its totient is φ = 299236320.

The previous prime is 613434529. The next prime is 613434539. The reversal of 613434538 is 835434316.

It can be written as a sum of positive squares in 2 ways, for example, as 434597409 + 178837129 = 20847^2 + 13373^2 .

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

It is a super-3 number, since 3×613434538³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 613434497 and 613434506.

It is not an unprimeable number, because it can be changed into a prime (613434539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3740373 + ... + 3740536.

Almost surely, 2^613434538 is an apocalyptic number.

613434538 is a deficient number, since it is larger than the sum of its proper divisors (329160122).

613434538 is a wasteful number, since it uses less digits than its factorization.

613434538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7480952.

The product of its digits is 103680, while the sum is 37.

The square root of 613434538 is about 24767.6106639296. The cubic root of 613434538 is about 849.6813282933.

The spelling of 613434538 in words is "six hundred thirteen million, four hundred thirty-four thousand, five hundred thirty-eight".