913133357 has 4 divisors (see below), whose sum is σ = 914050236. Its totient is φ = 912216480.

The previous prime is 913133317. The next prime is 913133363. The reversal of 913133357 is 753331319.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 338044996 + 575088361 = 18386^2 + 23981^2 .

It is a cyclic number.

It is not a de Polignac number, because 913133357 - 2¹⁴ = 913116973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913133317) 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, 456944 + ... + 458937.

It is an arithmetic number, because the mean of its divisors is an integer number (228512559).

Almost surely, 2^913133357 is an apocalyptic number.

It is an amenable number.

913133357 is a deficient number, since it is larger than the sum of its proper divisors (916879).

913133357 is an equidigital number, since it uses as much as digits as its factorization.

913133357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916878.

The product of its digits is 25515, while the sum is 35.

The square root of 913133357 is about 30218.0965151679. The cubic root of 913133357 is about 970.1630635985.

The spelling of 913133357 in words is "nine hundred thirteen million, one hundred thirty-three thousand, three hundred fifty-seven".