90325385 has 4 divisors (see below), whose sum is σ = 108390468. Its totient is φ = 72260304.

The previous prime is 90325381. The next prime is 90325387. The reversal of 90325385 is 58352309.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58352309 = 127 ⋅459467.

It can be written as a sum of positive squares in 2 ways, for example, as 21501769 + 68823616 = 4637^2 + 8296^2 .

It is a cyclic number.

It is not a de Polignac number, because 90325385 - 2² = 90325381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90325381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9032534 + ... + 9032543.

It is an arithmetic number, because the mean of its divisors is an integer number (27097617).

Almost surely, 2^90325385 is an apocalyptic number.

It is an amenable number.

90325385 is a deficient number, since it is larger than the sum of its proper divisors (18065083).

90325385 is a wasteful number, since it uses less digits than its factorization.

90325385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18065082.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 90325385 is about 9503.9668033932. The cubic root of 90325385 is about 448.6798924729.

The spelling of 90325385 in words is "ninety million, three hundred twenty-five thousand, three hundred eighty-five".