852001261 has 2 divisors, whose sum is σ = 852001262. Its totient is φ = 852001260.

The previous prime is 852001247. The next prime is 852001399. The reversal of 852001261 is 162100258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 818303236 + 33698025 = 28606^2 + 5805^2 .

It is a cyclic number.

It is not a de Polignac number, because 852001261 - 2⁷ = 852001133 is a prime.

It is a super-2 number, since 2×852001261² = 1451812297491180242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (852001061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426000630 + 426000631.

It is an arithmetic number, because the mean of its divisors is an integer number (426000631).

Almost surely, 2^852001261 is an apocalyptic number.

It is an amenable number.

852001261 is a deficient number, since it is larger than the sum of its proper divisors (1).

852001261 is an equidigital number, since it uses as much as digits as its factorization.

852001261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 852001261 is about 29189.0606392189. The cubic root of 852001261 is about 948.0110784162.

The spelling of 852001261 in words is "eight hundred fifty-two million, one thousand, two hundred sixty-one".