90280325 has 24 divisors (see below), whose sum is σ = 115200960. Its totient is φ = 70156800.

The previous prime is 90280303. The next prime is 90280327. The reversal of 90280325 is 52308209.

It is not a de Polignac number, because 90280325 - 2¹² = 90276229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90280327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142760 + ... + 143390.

It is an arithmetic number, because the mean of its divisors is an integer number (4800040).

Almost surely, 2^90280325 is an apocalyptic number.

It is an amenable number.

90280325 is a deficient number, since it is larger than the sum of its proper divisors (24920635).

90280325 is a wasteful number, since it uses less digits than its factorization.

90280325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 90280325 is about 9501.5959185813. The cubic root of 90280325 is about 448.6052701180.

The spelling of 90280325 in words is "ninety million, two hundred eighty thousand, three hundred twenty-five".