4091653 has 4 divisors (see below), whose sum is σ = 4168908. Its totient is φ = 4014400.

The previous prime is 4091627. The next prime is 4091657. The reversal of 4091653 is 3561904.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1329409 + 2762244 = 1153^2 + 1662^2 .

It is a cyclic number.

It is not a de Polignac number, because 4091653 - 2⁵ = 4091621 is a prime.

It is a Duffinian number.

4091653 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4091657) 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, 38548 + ... + 38653.

It is an arithmetic number, because the mean of its divisors is an integer number (1042227).

Almost surely, 2^4091653 is an apocalyptic number.

It is an amenable number.

4091653 is a deficient number, since it is larger than the sum of its proper divisors (77255).

4091653 is an equidigital number, since it uses as much as digits as its factorization.

4091653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77254.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 4091653 is about 2022.7834782794. The cubic root of 4091653 is about 159.9433784023.

The spelling of 4091653 in words is "four million, ninety-one thousand, six hundred fifty-three".