4081925 has 24 divisors (see below), whose sum is σ = 5475840. Its totient is φ = 3009600.

The previous prime is 4081897. The next prime is 4081933. The reversal of 4081925 is 5291804.

It is not a de Polignac number, because 4081925 - 2⁸ = 4081669 is a prime.

It is a super-2 number, since 2×4081925² = 33324223411250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17711 + ... + 17939.

It is an arithmetic number, because the mean of its divisors is an integer number (228160).

Almost surely, 2^4081925 is an apocalyptic number.

It is an amenable number.

4081925 is a deficient number, since it is larger than the sum of its proper divisors (1393915).

4081925 is a wasteful number, since it uses less digits than its factorization.

4081925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 4081925 is about 2020.3774399849. The cubic root of 4081925 is about 159.8165214489.

The spelling of 4081925 in words is "four million, eighty-one thousand, nine hundred twenty-five".