7875285 has 24 divisors (see below), whose sum is σ = 13853280. Its totient is φ = 3817440.

The previous prime is 7875281. The next prime is 7875293. The reversal of 7875285 is 5825787.

It is a happy number.

It is not a de Polignac number, because 7875285 - 2² = 7875281 is a prime.

It is a super-2 number, since 2×7875285² = 124040227662450, which contains 22 as substring.

It is a Curzon number.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7875281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355 + ... + 3984.

It is an arithmetic number, because the mean of its divisors is an integer number (577220).

Almost surely, 2^7875285 is an apocalyptic number.

It is an amenable number.

7875285 is a deficient number, since it is larger than the sum of its proper divisors (5977995).

7875285 is a wasteful number, since it uses less digits than its factorization.

7875285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4369 (or 4358 counting only the distinct ones).

The product of its digits is 156800, while the sum is 42.

The square root of 7875285 is about 2806.2938192570. The cubic root of 7875285 is about 198.9552604321.

The spelling of 7875285 in words is "seven million, eight hundred seventy-five thousand, two hundred eighty-five".