1003228493 has 2 divisors, whose sum is σ = 1003228494. Its totient is φ = 1003228492.

The previous prime is 1003228487. The next prime is 1003228529. The reversal of 1003228493 is 3948223001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 895026889 + 108201604 = 29917^2 + 10402^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003228493 - 2⁴ = 1003228477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003228403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501614246 + 501614247.

It is an arithmetic number, because the mean of its divisors is an integer number (501614247).

Almost surely, 2^1003228493 is an apocalyptic number.

It is an amenable number.

1003228493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003228493 is an equidigital number, since it uses as much as digits as its factorization.

1003228493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1003228493 is about 31673.7824233229. The cubic root of 1003228493 is about 1001.0750082764.

The spelling of 1003228493 in words is "one billion, three million, two hundred twenty-eight thousand, four hundred ninety-three".