855252572 has 12 divisors (see below), whose sum is σ = 1548302280. Its totient is φ = 412880496.

The previous prime is 855252571. The next prime is 855252637. The reversal of 855252572 is 275252558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855252571) 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, 3686318 + ... + 3686549.

It is an arithmetic number, because the mean of its divisors is an integer number (129025190).

Almost surely, 2^855252572 is an apocalyptic number.

It is an amenable number.

855252572 is a deficient number, since it is larger than the sum of its proper divisors (693049708).

855252572 is a wasteful number, since it uses less digits than its factorization.

855252572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7372900 (or 7372898 counting only the distinct ones).

The product of its digits is 280000, while the sum is 41.

The square root of 855252572 is about 29244.7016055900. The cubic root of 855252572 is about 949.2154453310.

The spelling of 855252572 in words is "eight hundred fifty-five million, two hundred fifty-two thousand, five hundred seventy-two".