8524457325 has 18 divisors (see below), whose sum is σ = 15268250634. Its totient is φ = 4546377120.

The previous prime is 8524457321. The next prime is 8524457353. The reversal of 8524457325 is 5237544258.

8524457325 is a `hidden beast` number, since 8 + 52 + 4 + 4 + 573 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1323577161 + 7200880164 = 36381^2 + 84858^2 .

It is not a de Polignac number, because 8524457325 - 2² = 8524457321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8524457321) 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 17 ways as a sum of consecutive naturals, for example, 18943014 + ... + 18943463.

Almost surely, 2^8524457325 is an apocalyptic number.

It is an amenable number.

8524457325 is a deficient number, since it is larger than the sum of its proper divisors (6743793309).

8524457325 is a wasteful number, since it uses less digits than its factorization.

8524457325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37886493 (or 37886485 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 45.

The square root of 8524457325 is about 92327.9877664406. The cubic root of 8524457325 is about 2042.7830563230.

The spelling of 8524457325 in words is "eight billion, five hundred twenty-four million, four hundred fifty-seven thousand, three hundred twenty-five".