855142525 has 24 divisors (see below), whose sum is σ = 1070884584. Its totient is φ = 677376000.

The previous prime is 855142523. The next prime is 855142537. The reversal of 855142525 is 525241558.

It can be written as a sum of positive squares in 12 ways, for example, as 7284601 + 847857924 = 2699^2 + 29118^2 .

It is not a de Polignac number, because 855142525 - 2¹ = 855142523 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855142523) 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 23 ways as a sum of consecutive naturals, for example, 1974709 + ... + 1975141.

It is an arithmetic number, because the mean of its divisors is an integer number (44620191).

Almost surely, 2^855142525 is an apocalyptic number.

It is an amenable number.

855142525 is a deficient number, since it is larger than the sum of its proper divisors (215742059).

855142525 is a wasteful number, since it uses less digits than its factorization.

855142525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041 (or 1036 counting only the distinct ones).

The product of its digits is 80000, while the sum is 37.

The square root of 855142525 is about 29242.8200589478. The cubic root of 855142525 is about 949.1747311233.

It can be divided in two parts, 8551 and 42525, that added together give a square (51076 = 226²).

The spelling of 855142525 in words is "eight hundred fifty-five million, one hundred forty-two thousand, five hundred twenty-five".