3503531 has 2 divisors, whose sum is σ = 3503532. Its totient is φ = 3503530.

The previous prime is 3503509. The next prime is 3503557. The reversal of 3503531 is 1353053.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3503531 - 2¹⁴ = 3487147 is a prime.

It is a super-2 number, since 2×3503531² = 24549458935922, which contains 22 as substring.

It is a Chen prime.

It is equal to p₂₅₀₃₇₃ and since 3503531 and 250373 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (3503561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1751765 + 1751766.

It is an arithmetic number, because the mean of its divisors is an integer number (1751766).

Almost surely, 2^3503531 is an apocalyptic number.

3503531 is a deficient number, since it is larger than the sum of its proper divisors (1).

3503531 is an equidigital number, since it uses as much as digits as its factorization.

3503531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 3503531 is about 1871.7721549377. The cubic root of 3503531 is about 151.8804895079.

Adding to 3503531 its reverse (1353053), we get a palindrome (4856584).

The spelling of 3503531 in words is "three million, five hundred three thousand, five hundred thirty-one".