4025215 has 8 divisors (see below), whose sum is σ = 4850208. Its totient is φ = 3206880.

The previous prime is 4025179. The next prime is 4025227. The reversal of 4025215 is 5125204.

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

It is not a de Polignac number, because 4025215 - 2⁹ = 4024703 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4025192 and 4025201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216 + ... + 2845.

It is an arithmetic number, because the mean of its divisors is an integer number (606276).

Almost surely, 2^4025215 is an apocalyptic number.

4025215 is a deficient number, since it is larger than the sum of its proper divisors (824993).

4025215 is a wasteful number, since it uses less digits than its factorization.

4025215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 4025215 is about 2006.2938468729. The cubic root of 4025215 is about 159.0729594096.

The spelling of 4025215 in words is "four million, twenty-five thousand, two hundred fifteen".