852622531 has 4 divisors (see below), whose sum is σ = 861412552. Its totient is φ = 843832512.

The previous prime is 852622517. The next prime is 852622571. The reversal of 852622531 is 135226258.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 852622531 - 2¹⁷ = 852491459 is a prime.

It is a super-2 number, since 2×852622531² = 1453930360737691922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852622571) 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, 4394865 + ... + 4395058.

It is an arithmetic number, because the mean of its divisors is an integer number (215353138).

Almost surely, 2^852622531 is an apocalyptic number.

852622531 is a deficient number, since it is larger than the sum of its proper divisors (8790021).

852622531 is an equidigital number, since it uses as much as digits as its factorization.

852622531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8790020.

The product of its digits is 28800, while the sum is 34.

The square root of 852622531 is about 29199.7008717555. The cubic root of 852622531 is about 948.2414488670.

Adding to 852622531 its reverse (135226258), we get a palindrome (987848789).

The spelling of 852622531 in words is "eight hundred fifty-two million, six hundred twenty-two thousand, five hundred thirty-one".