3925081 has 4 divisors (see below), whose sum is σ = 3961872. Its totient is φ = 3888292.

The previous prime is 3925069. The next prime is 3925087. The reversal of 3925081 is 1805293.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3925081 - 2⁷ = 3924953 is a prime.

It is a super-2 number, since 2×3925081² = 30812521713122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3925087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18235 + ... + 18448.

It is an arithmetic number, because the mean of its divisors is an integer number (990468).

Almost surely, 2^3925081 is an apocalyptic number.

It is an amenable number.

3925081 is a deficient number, since it is larger than the sum of its proper divisors (36791).

3925081 is a wasteful number, since it uses less digits than its factorization.

3925081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36790.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 3925081 is about 1981.1817180663. The cubic root of 3925081 is about 157.7427984386.

The spelling of 3925081 in words is "three million, nine hundred twenty-five thousand, eighty-one".