785213465 has 4 divisors (see below), whose sum is σ = 942256164. Its totient is φ = 628170768.

The previous prime is 785213423. The next prime is 785213467. The reversal of 785213465 is 564312587.

785213465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564312587 = 3011 ⋅187417.

It can be written as a sum of positive squares in 2 ways, for example, as 610682944 + 174530521 = 24712^2 + 13211^2 .

It is a cyclic number.

It is not a de Polignac number, because 785213465 - 2¹⁶ = 785147929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (785213467) 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, 78521342 + ... + 78521351.

It is an arithmetic number, because the mean of its divisors is an integer number (235564041).

Almost surely, 2^785213465 is an apocalyptic number.

It is an amenable number.

785213465 is a deficient number, since it is larger than the sum of its proper divisors (157042699).

785213465 is a wasteful number, since it uses less digits than its factorization.

785213465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157042698.

The product of its digits is 201600, while the sum is 41.

The square root of 785213465 is about 28021.6606395838. The cubic root of 785213465 is about 922.5627447328.

The spelling of 785213465 in words is "seven hundred eighty-five million, two hundred thirteen thousand, four hundred sixty-five".