858525084425 has 6 divisors (see below), whose sum is σ = 1064571104718. Its totient is φ = 686820067520.

The previous prime is 858525084377. The next prime is 858525084437. The reversal of 858525084425 is 524480525858.

It can be written as a sum of positive squares in 3 ways, for example, as 84218361616 + 774306722809 = 290204^2 + 879947^2 .

It is not a de Polignac number, because 858525084425 - 2⁸ = 858525084169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17170501664 + ... + 17170501713.

It is an arithmetic number, because the mean of its divisors is an integer number (177428517453).

Almost surely, 2^858525084425 is an apocalyptic number.

It is an amenable number.

858525084425 is a deficient number, since it is larger than the sum of its proper divisors (206046020293).

858525084425 is a wasteful number, since it uses less digits than its factorization.

858525084425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34341003387 (or 34341003382 counting only the distinct ones).

The product of its (nonzero) digits is 20480000, while the sum is 56.

The spelling of 858525084425 in words is "eight hundred fifty-eight billion, five hundred twenty-five million, eighty-four thousand, four hundred twenty-five".