3540653 has 4 divisors (see below), whose sum is σ = 3546588. Its totient is φ = 3534720.

The previous prime is 3540619. The next prime is 3540661. The reversal of 3540653 is 3560453.

3540653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3560453 = 13 ⋅273881.

It can be written as a sum of positive squares in 2 ways, for example, as 1909924 + 1630729 = 1382^2 + 1277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3540653 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 (3540673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1958 + ... + 3303.

It is an arithmetic number, because the mean of its divisors is an integer number (886647).

Almost surely, 2^3540653 is an apocalyptic number.

It is an amenable number.

3540653 is a deficient number, since it is larger than the sum of its proper divisors (5935).

3540653 is an equidigital number, since it uses as much as digits as its factorization.

3540653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5934.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 3540653 is about 1881.6622970129. The cubic root of 3540653 is about 152.4150274630.

The spelling of 3540653 in words is "three million, five hundred forty thousand, six hundred fifty-three".