613231600 has 120 divisors (see below), whose sum is σ = 1526790672. Its totient is φ = 236544000.

The previous prime is 613231573. The next prime is 613231603. The reversal of 613231600 is 6132316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613231603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1737024 + ... + 1737376.

Almost surely, 2^613231600 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 613231600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763395336).

613231600 is an abundant number, since it is smaller than the sum of its proper divisors (913559072).

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

613231600 is a wasteful number, since it uses less digits than its factorization.

613231600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 613231600 is about 24763.5134825412. The cubic root of 613231600 is about 849.5876200342.

Adding to 613231600 its reverse (6132316), we get a palindrome (619363916).

613231600 divided by its reverse (6132316) gives a square (100 = 10²).

The spelling of 613231600 in words is "six hundred thirteen million, two hundred thirty-one thousand, six hundred".