84825245 has 8 divisors (see below), whose sum is σ = 102308184. Its totient is φ = 67514944.

The previous prime is 84825241. The next prime is 84825263. The reversal of 84825245 is 54252848.

It can be written as a sum of positive squares in 4 ways, for example, as 5508409 + 79316836 = 2347^2 + 8906^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84825245 - 2² = 84825241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84825199 and 84825208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84825241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42074 + ... + 44043.

It is an arithmetic number, because the mean of its divisors is an integer number (12788523).

Almost surely, 2^84825245 is an apocalyptic number.

It is an amenable number.

84825245 is a deficient number, since it is larger than the sum of its proper divisors (17482939).

84825245 is a wasteful number, since it uses less digits than its factorization.

84825245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86319.

The product of its digits is 102400, while the sum is 38.

The square root of 84825245 is about 9210.0621604851. The cubic root of 84825245 is about 439.3814397081.

The spelling of 84825245 in words is "eighty-four million, eight hundred twenty-five thousand, two hundred forty-five".