852687001 has 2 divisors, whose sum is σ = 852687002. Its totient is φ = 852687000.

The previous prime is 852686999. The next prime is 852687007. The reversal of 852687001 is 100786258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 638825625 + 213861376 = 25275^2 + 14624^2 .

It is a cyclic number.

It is not a de Polignac number, because 852687001 - 2¹ = 852686999 is a prime.

Together with 852686999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (852687007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426343500 + 426343501.

It is an arithmetic number, because the mean of its divisors is an integer number (426343501).

Almost surely, 2^852687001 is an apocalyptic number.

It is an amenable number.

852687001 is a deficient number, since it is larger than the sum of its proper divisors (1).

852687001 is an equidigital number, since it uses as much as digits as its factorization.

852687001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 852687001 is about 29200.8048005530. The cubic root of 852687001 is about 948.2653483001.

The spelling of 852687001 in words is "eight hundred fifty-two million, six hundred eighty-seven thousand, one".