3531403 has 2 divisors, whose sum is σ = 3531404. Its totient is φ = 3531402.

The previous prime is 3531389. The next prime is 3531413. The reversal of 3531403 is 3041353.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3531403 is a prime.

3531403 is a lucky number.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (3531413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1765701 + 1765702.

It is an arithmetic number, because the mean of its divisors is an integer number (1765702).

Almost surely, 2^3531403 is an apocalyptic number.

3531403 is a deficient number, since it is larger than the sum of its proper divisors (1).

3531403 is an equidigital number, since it uses as much as digits as its factorization.

3531403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 3531403 is about 1879.2027564901. The cubic root of 3531403 is about 152.2821829915.

Adding to 3531403 its reverse (3041353), we get a palindrome (6572756).

The spelling of 3531403 in words is "three million, five hundred thirty-one thousand, four hundred three".