613697312 has 24 divisors (see below), whose sum is σ = 1209227292. Its totient is φ = 306592000.

The previous prime is 613697267. The next prime is 613697317. The reversal of 613697312 is 213796316.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 611276176 + 2421136 = 24724^2 + 1556^2 .

It is not an unprimeable number, because it can be changed into a prime (613697317) 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, 34262 + ... + 49002.

Almost surely, 2^613697312 is an apocalyptic number.

It is an amenable number.

613697312 is a deficient number, since it is larger than the sum of its proper divisors (595529980).

613697312 is a wasteful number, since it uses less digits than its factorization.

613697312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16052 (or 16044 counting only the distinct ones).

The product of its digits is 40824, while the sum is 38.

The square root of 613697312 is about 24772.9148870293. The cubic root of 613697312 is about 849.8026356071.

The spelling of 613697312 in words is "six hundred thirteen million, six hundred ninety-seven thousand, three hundred twelve".