858541230625 has 45 divisors (see below), whose sum is σ = 1162114487919. Its totient is φ = 633777300000.

The previous prime is 858541230619. The next prime is 858541230649. The reversal of 858541230625 is 526032145858.

The square root of 858541230625 is 926575.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 848007082129 + 10534148496 = 920873^2 + 102636^2 .

It is not a de Polignac number, because 858541230625 - 2¹¹ = 858541228577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 301135450 + ... + 301138300.

Almost surely, 2^858541230625 is an apocalyptic number.

858541230625 is the 926575-th square number.

858541230625 is the 463288-th centered octagonal number.

It is an amenable number.

858541230625 is a deficient number, since it is larger than the sum of its proper divisors (303573257294).

858541230625 is an frugal number, since it uses more digits than its factorization.

858541230625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748 (or 2869 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 49.

Multiplying 858541230625 by its sum of digits (49), we get a square (42068520300625 = 6486025²).

The spelling of 858541230625 in words is "eight hundred fifty-eight billion, five hundred forty-one million, two hundred thirty thousand, six hundred twenty-five".