613945352 has 16 divisors (see below), whose sum is σ = 1157114940. Its totient is φ = 305381376.

The previous prime is 613945337. The next prime is 613945369. The reversal of 613945352 is 253549316.

It can be written as a sum of positive squares in 2 ways, for example, as 597020356 + 16924996 = 24434^2 + 4114^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197273 + ... + 200360.

Almost surely, 2^613945352 is an apocalyptic number.

It is an amenable number.

613945352 is a deficient number, since it is larger than the sum of its proper divisors (543169588).

613945352 is a wasteful number, since it uses less digits than its factorization.

613945352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397832 (or 397828 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

The square root of 613945352 is about 24777.9206552931. The cubic root of 613945352 is about 849.9171093333.

The spelling of 613945352 in words is "six hundred thirteen million, nine hundred forty-five thousand, three hundred fifty-two".