613206152 has 48 divisors (see below), whose sum is σ = 1306883340. Its totient is φ = 268106112.

The previous prime is 613206107. The next prime is 613206233. The reversal of 613206152 is 251602316.

It can be written as a sum of positive squares in 2 ways, for example, as 497557636 + 115648516 = 22306^2 + 10754^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29378 + ... + 45710.

Almost surely, 2^613206152 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 613206152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653441670).

613206152 is an abundant number, since it is smaller than the sum of its proper divisors (693677188).

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

613206152 is a wasteful number, since it uses less digits than its factorization.

613206152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16390 (or 16367 counting only the distinct ones).

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

The square root of 613206152 is about 24762.9996567459. Note that the first 3 decimals coincide. The cubic root of 613206152 is about 849.5758677562.

Adding to 613206152 its reverse (251602316), we get a palindrome (864808468).

The spelling of 613206152 in words is "six hundred thirteen million, two hundred six thousand, one hundred fifty-two".