4025515 has 16 divisors (see below), whose sum is σ = 5509728. Its totient is φ = 2797056.

The previous prime is 4025507. The next prime is 4025521. The reversal of 4025515 is 5155204.

It is a cyclic number.

It is not a de Polignac number, because 4025515 - 2³ = 4025507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 717 + ... + 2926.

It is an arithmetic number, because the mean of its divisors is an integer number (344358).

Almost surely, 2^4025515 is an apocalyptic number.

4025515 is a deficient number, since it is larger than the sum of its proper divisors (1484213).

4025515 is a wasteful number, since it uses less digits than its factorization.

4025515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 4025515 is about 2006.3686102010. The cubic root of 4025515 is about 159.0769112236.

The spelling of 4025515 in words is "four million, twenty-five thousand, five hundred fifteen".