4025919 has 8 divisors (see below), whose sum is σ = 5436160. Its totient is φ = 2649816.

The previous prime is 4025911. The next prime is 4025921. The reversal of 4025919 is 9195204.

It is a happy number.

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

It is not a de Polignac number, because 4025919 - 2³ = 4025911 is a prime.

It is a super-2 number, since 2×4025919² = 32416047589122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8257 + ... + 8730.

It is an arithmetic number, because the mean of its divisors is an integer number (679520).

Almost surely, 2^4025919 is an apocalyptic number.

4025919 is a deficient number, since it is larger than the sum of its proper divisors (1410241).

4025919 is a wasteful number, since it uses less digits than its factorization.

4025919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17069.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 4025919 is about 2006.4692870812. The cubic root of 4025919 is about 159.0822326895.

The spelling of 4025919 in words is "four million, twenty-five thousand, nine hundred nineteen".