993261313 has 8 divisors (see below), whose sum is σ = 1084503456. Its totient is φ = 902176800.

The previous prime is 993261307. The next prime is 993261323. The reversal of 993261313 is 313162399.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-993261313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (993261323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26028 + ... + 51613.

It is an arithmetic number, because the mean of its divisors is an integer number (135562932).

Almost surely, 2^993261313 is an apocalyptic number.

It is an amenable number.

993261313 is a deficient number, since it is larger than the sum of its proper divisors (91242143).

993261313 is a wasteful number, since it uses less digits than its factorization.

993261313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78815.

The product of its digits is 26244, while the sum is 37.

The square root of 993261313 is about 31516.0484991377. The cubic root of 993261313 is about 997.7487064809.

The spelling of 993261313 in words is "nine hundred ninety-three million, two hundred sixty-one thousand, three hundred thirteen".