3540503 has 2 divisors, whose sum is σ = 3540504. Its totient is φ = 3540502.

The previous prime is 3540499. The next prime is 3540521. The reversal of 3540503 is 3050453.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3540503 - 2² = 3540499 is a prime.

It is a super-2 number, since 2×3540503² = 25070322986018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3540533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1770251 + 1770252.

It is an arithmetic number, because the mean of its divisors is an integer number (1770252).

Almost surely, 2^3540503 is an apocalyptic number.

3540503 is a deficient number, since it is larger than the sum of its proper divisors (1).

3540503 is an equidigital number, since it uses as much as digits as its factorization.

3540503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 3540503 is about 1881.6224382166. The cubic root of 3540503 is about 152.4128750750.

Adding to 3540503 its reverse (3050453), we get a palindrome (6590956).

The spelling of 3540503 in words is "three million, five hundred forty thousand, five hundred three".