852059261 has 4 divisors (see below), whose sum is σ = 902180412. Its totient is φ = 801938112.

The previous prime is 852059203. The next prime is 852059269. The reversal of 852059261 is 162950258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 162950258 = 2 ⋅81475129.

It can be written as a sum of positive squares in 2 ways, for example, as 360772036 + 491287225 = 18994^2 + 22165^2 .

It is a cyclic number.

It is not a de Polignac number, because 852059261 - 2¹⁸ = 851797117 is a prime.

It is a super-2 number, since 2×852059261² = 1452009968511732242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852059269) 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, 25060550 + ... + 25060583.

It is an arithmetic number, because the mean of its divisors is an integer number (225545103).

Almost surely, 2^852059261 is an apocalyptic number.

It is an amenable number.

852059261 is a deficient number, since it is larger than the sum of its proper divisors (50121151).

852059261 is a wasteful number, since it uses less digits than its factorization.

852059261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50121150.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 852059261 is about 29190.0541452050. The cubic root of 852059261 is about 948.0325898847.

The spelling of 852059261 in words is "eight hundred fifty-two million, fifty-nine thousand, two hundred sixty-one".