4531403 has 2 divisors, whose sum is σ = 4531404. Its totient is φ = 4531402.

The previous prime is 4531399. The next prime is 4531409. The reversal of 4531403 is 3041354.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4531403 - 2² = 4531399 is a prime.

It is a super-2 number, since 2×4531403² = 41067226296818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4531409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2265701 + 2265702.

It is an arithmetic number, because the mean of its divisors is an integer number (2265702).

Almost surely, 2^4531403 is an apocalyptic number.

4531403 is a deficient number, since it is larger than the sum of its proper divisors (1).

4531403 is an equidigital number, since it uses as much as digits as its factorization.

4531403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 4531403 is about 2128.7092333149. The cubic root of 4531403 is about 165.4795111592.

Adding to 4531403 its reverse (3041354), we get a palindrome (7572757).

The spelling of 4531403 in words is "four million, five hundred thirty-one thousand, four hundred three".