3540581803 has 4 divisors (see below), whose sum is σ = 3862452888. Its totient is φ = 3218710720.

The previous prime is 3540581791. The next prime is 3540581813. The reversal of 3540581803 is 3081850453.

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

It is a cyclic number.

It is not a de Polignac number, because 3540581803 - 2²⁹ = 3003710891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3540581813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160935526 + ... + 160935547.

It is an arithmetic number, because the mean of its divisors is an integer number (965613222).

Almost surely, 2^3540581803 is an apocalyptic number.

3540581803 is a deficient number, since it is larger than the sum of its proper divisors (321871085).

3540581803 is a wasteful number, since it uses less digits than its factorization.

3540581803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321871084.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 3540581803 is about 59502.7881951762. The cubic root of 3540581803 is about 1524.1400584683.

The spelling of 3540581803 in words is "three billion, five hundred forty million, five hundred eighty-one thousand, eight hundred three".