852353749 has 4 divisors (see below), whose sum is σ = 917919436. Its totient is φ = 786788064.

The previous prime is 852353743. The next prime is 852353753. The reversal of 852353749 is 947353258.

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 118919025 + 733434724 = 10905^2 + 27082^2 .

It is a cyclic number.

It is not a de Polignac number, because 852353749 - 2¹⁷ = 852222677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 852353699 and 852353708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852353743) 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, 32782824 + ... + 32782849.

It is an arithmetic number, because the mean of its divisors is an integer number (229479859).

Almost surely, 2^852353749 is an apocalyptic number.

It is an amenable number.

852353749 is a deficient number, since it is larger than the sum of its proper divisors (65565687).

852353749 is a wasteful number, since it uses less digits than its factorization.

852353749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65565686.

The product of its digits is 907200, while the sum is 46.

The square root of 852353749 is about 29195.0980303201. The cubic root of 852353749 is about 948.1417967113.

The spelling of 852353749 in words is "eight hundred fifty-two million, three hundred fifty-three thousand, seven hundred forty-nine".