3540450503 has 4 divisors (see below), whose sum is σ = 3553515168. Its totient is φ = 3527385840.

The previous prime is 3540450493. The next prime is 3540450517. The reversal of 3540450503 is 3050540453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3050540453 = 20177 ⋅151189.

It is a cyclic number.

It is not a de Polignac number, because 3540450503 - 2⁶ = 3540450439 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 (3540150503) 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, 6531926 + ... + 6532467.

It is an arithmetic number, because the mean of its divisors is an integer number (888378792).

Almost surely, 2^3540450503 is an apocalyptic number.

3540450503 is a deficient number, since it is larger than the sum of its proper divisors (13064665).

3540450503 is a wasteful number, since it uses less digits than its factorization.

3540450503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13064664.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 3540450503 is about 59501.6848753042. The cubic root of 3540450503 is about 1524.1212176794.

Adding to 3540450503 its reverse (3050540453), we get a palindrome (6590990956).

The spelling of 3540450503 in words is "three billion, five hundred forty million, four hundred fifty thousand, five hundred three".