852749061 has 4 divisors (see below), whose sum is σ = 1136998752. Its totient is φ = 568499372.

The previous prime is 852749033. The next prime is 852749063. The reversal of 852749061 is 160947258.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 852749061 - 2⁹ = 852748549 is a prime.

It is a super-2 number, since 2×852749061² = 1454361922072763442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852749063) 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, 142124841 + ... + 142124846.

It is an arithmetic number, because the mean of its divisors is an integer number (284249688).

Almost surely, 2^852749061 is an apocalyptic number.

It is an amenable number.

852749061 is a deficient number, since it is larger than the sum of its proper divisors (284249691).

852749061 is a wasteful number, since it uses less digits than its factorization.

852749061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284249690.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 852749061 is about 29201.8674231632. The cubic root of 852749061 is about 948.2883531932.

The spelling of 852749061 in words is "eight hundred fifty-two million, seven hundred forty-nine thousand, sixty-one".