785432413 has 4 divisors (see below), whose sum is σ = 787657788. Its totient is φ = 783207040.

The previous prime is 785432407. The next prime is 785432423. The reversal of 785432413 is 314234587.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314234587 = 79 ⋅3977653.

It can be written as a sum of positive squares in 2 ways, for example, as 409576644 + 375855769 = 20238^2 + 19387^2 .

It is a cyclic number.

It is not a de Polignac number, because 785432413 - 2⁵ = 785432381 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 (785432423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112158 + ... + 1112863.

It is an arithmetic number, because the mean of its divisors is an integer number (196914447).

Almost surely, 2^785432413 is an apocalyptic number.

It is an amenable number.

785432413 is a deficient number, since it is larger than the sum of its proper divisors (2225375).

785432413 is a wasteful number, since it uses less digits than its factorization.

785432413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225374.

The product of its digits is 80640, while the sum is 37.

The square root of 785432413 is about 28025.5671307469. The cubic root of 785432413 is about 922.6484855346.

The spelling of 785432413 in words is "seven hundred eighty-five million, four hundred thirty-two thousand, four hundred thirteen".