6425285 has 4 divisors (see below), whose sum is σ = 7710348. Its totient is φ = 5140224.

The previous prime is 6425267. The next prime is 6425329. The reversal of 6425285 is 5825246.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4133089 + 2292196 = 2033^2 + 1514^2 .

It is a cyclic number.

It is not a de Polignac number, because 6425285 - 2¹⁴ = 6408901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642524 + ... + 642533.

It is an arithmetic number, because the mean of its divisors is an integer number (1927587).

Almost surely, 2^6425285 is an apocalyptic number.

It is an amenable number.

6425285 is a deficient number, since it is larger than the sum of its proper divisors (1285063).

6425285 is a wasteful number, since it uses less digits than its factorization.

6425285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285062.

The product of its digits is 19200, while the sum is 32.

The square root of 6425285 is about 2534.8145888802. The cubic root of 6425285 is about 185.9077374155.

The spelling of 6425285 in words is "six million, four hundred twenty-five thousand, two hundred eighty-five".