613006540 has 24 divisors (see below), whose sum is σ = 1291972752. Its totient is φ = 244315200.

The previous prime is 613006523. The next prime is 613006567. The reversal of 613006540 is 45600316.

It is a plaindrome in base 16.

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, 49786 + ... + 60865.

It is an arithmetic number, because the mean of its divisors is an integer number (53832198).

Almost surely, 2^613006540 is an apocalyptic number.

It is an amenable number.

613006540 is an abundant number, since it is smaller than the sum of its proper divisors (678966212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613006540 is a wasteful number, since it uses less digits than its factorization.

613006540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110937 (or 110935 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 613006540 is about 24758.9688799837. The cubic root of 613006540 is about 849.4836725827.

Adding to 613006540 its reverse (45600316), we get a palindrome (658606856).

The spelling of 613006540 in words is "six hundred thirteen million, six thousand, five hundred forty".