3503243 has 4 divisors (see below), whose sum is σ = 3562680. Its totient is φ = 3443808.

The previous prime is 3503237. The next prime is 3503249. The reversal of 3503243 is 3423053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3423053 = 211 ⋅16223.

It is an interprime number because it is at equal distance from previous prime (3503237) and next prime (3503249).

It is a cyclic number.

It is not a de Polignac number, because 3503243 - 2⁸ = 3502987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3503249) 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, 29630 + ... + 29747.

It is an arithmetic number, because the mean of its divisors is an integer number (890670).

Almost surely, 2^3503243 is an apocalyptic number.

3503243 is a deficient number, since it is larger than the sum of its proper divisors (59437).

3503243 is an equidigital number, since it uses as much as digits as its factorization.

3503243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59436.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 3503243 is about 1871.6952209161. The cubic root of 3503243 is about 151.8763277275.

Adding to 3503243 its reverse (3423053), we get a palindrome (6926296).

The spelling of 3503243 in words is "three million, five hundred three thousand, two hundred forty-three".