613497852 has 72 divisors (see below), whose sum is σ = 1694888832. Its totient is φ = 185565600.

The previous prime is 613497839. The next prime is 613497877. The reversal of 613497852 is 258794316.

It is a super-2 number, since 2×613497852² = 752759228817227808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 613497798 and 613497807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286827 + ... + 288957.

Almost surely, 2^613497852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613497852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847444416).

613497852 is an abundant number, since it is smaller than the sum of its proper divisors (1081390980).

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

613497852 is a wasteful number, since it uses less digits than its factorization.

613497852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879 (or 2874 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 613497852 is about 24768.8887921925. Note that the first 3 decimals coincide. The cubic root of 613497852 is about 849.7105598138.

The spelling of 613497852 in words is "six hundred thirteen million, four hundred ninety-seven thousand, eight hundred fifty-two".