3521303 has 2 divisors, whose sum is σ = 3521304. Its totient is φ = 3521302.

The previous prime is 3521299. The next prime is 3521341. The reversal of 3521303 is 3031253.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3521303 - 2² = 3521299 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3521803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760651 + 1760652.

It is an arithmetic number, because the mean of its divisors is an integer number (1760652).

Almost surely, 2^3521303 is an apocalyptic number.

3521303 is a deficient number, since it is larger than the sum of its proper divisors (1).

3521303 is an equidigital number, since it uses as much as digits as its factorization.

3521303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 3521303 is about 1876.5135224666. The cubic root of 3521303 is about 152.1368659901.

Adding to 3521303 its reverse (3031253), we get a palindrome (6552556).

The spelling of 3521303 in words is "three million, five hundred twenty-one thousand, three hundred three".