913363321 has 8 divisors (see below), whose sum is σ = 984831624. Its totient is φ = 842067840.

The previous prime is 913363303. The next prime is 913363379. The reversal of 913363321 is 123363319.

It can be written as a sum of positive squares in 4 ways, for example, as 114921 + 913248400 = 339^2 + 30220^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 913363321 - 2¹⁹ = 912839033 is a prime.

It is a super-2 number, since 2×913363321² = 1668465112296298082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (913367321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32116 + ... + 53461.

It is an arithmetic number, because the mean of its divisors is an integer number (123103953).

Almost surely, 2^913363321 is an apocalyptic number.

It is an amenable number.

913363321 is a deficient number, since it is larger than the sum of its proper divisors (71468303).

913363321 is a wasteful number, since it uses less digits than its factorization.

913363321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86411.

The product of its digits is 8748, while the sum is 31.

The square root of 913363321 is about 30221.9013465401. The cubic root of 913363321 is about 970.2444988934.

The spelling of 913363321 in words is "nine hundred thirteen million, three hundred sixty-three thousand, three hundred twenty-one".