785352331 has 4 divisors (see below), whose sum is σ = 786502872. Its totient is φ = 784201792.

The previous prime is 785352317. The next prime is 785352341. The reversal of 785352331 is 133253587.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133253587 = 3527 ⋅37781.

It is a cyclic number.

It is not a de Polignac number, because 785352331 - 2⁷ = 785352203 is a prime.

It is a super-2 number, since 2×785352331² = 1233556567614267122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (785352341) 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 3 ways as a sum of consecutive naturals, for example, 574246 + ... + 575611.

It is an arithmetic number, because the mean of its divisors is an integer number (196625718).

Almost surely, 2^785352331 is an apocalyptic number.

785352331 is a deficient number, since it is larger than the sum of its proper divisors (1150541).

785352331 is a wasteful number, since it uses less digits than its factorization.

785352331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150540.

The product of its digits is 75600, while the sum is 37.

The square root of 785352331 is about 28024.1383632040. The cubic root of 785352331 is about 922.6171269920.

The spelling of 785352331 in words is "seven hundred eighty-five million, three hundred fifty-two thousand, three hundred thirty-one".