8572450825 has 6 divisors (see below), whose sum is σ = 10629839054. Its totient is φ = 6857960640.

The previous prime is 8572450813. The next prime is 8572450829. The reversal of 8572450825 is 5280542758.

It can be written as a sum of positive squares in 3 ways, for example, as 836192889 + 7736257936 = 28917^2 + 87956^2 .

It is not a de Polignac number, because 8572450825 - 2⁵ = 8572450793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8572450829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171448992 + ... + 171449041.

Almost surely, 2^8572450825 is an apocalyptic number.

It is an amenable number.

8572450825 is a deficient number, since it is larger than the sum of its proper divisors (2057388229).

8572450825 is a wasteful number, since it uses less digits than its factorization.

8572450825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342898043 (or 342898038 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 46.

The square root of 8572450825 is about 92587.5306129287. The cubic root of 8572450825 is about 2046.6095712615.

The spelling of 8572450825 in words is "eight billion, five hundred seventy-two million, four hundred fifty thousand, eight hundred twenty-five".