4081653 has 12 divisors (see below), whose sum is σ = 5943808. Its totient is φ = 2698920.

The previous prime is 4081613. The next prime is 4081657. The reversal of 4081653 is 3561804.

4081653 is a `hidden beast` number, since 4 + 0 + 8 + 1 + 653 = 666.

It is not a de Polignac number, because 4081653 - 2⁸ = 4081397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 643 + ... + 2928.

Almost surely, 2^4081653 is an apocalyptic number.

It is an amenable number.

4081653 is a deficient number, since it is larger than the sum of its proper divisors (1862155).

4081653 is a wasteful number, since it uses less digits than its factorization.

4081653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704 (or 3701 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 4081653 is about 2020.3101247086. The cubic root of 4081653 is about 159.8129715666.

The spelling of 4081653 in words is "four million, eighty-one thousand, six hundred fifty-three".