1003453225 has 6 divisors (see below), whose sum is σ = 1244282030. Its totient is φ = 802762560.

The previous prime is 1003453219. The next prime is 1003453247. The reversal of 1003453225 is 5223543001.

It can be written as a sum of positive squares in 3 ways, for example, as 214798336 + 788654889 = 14656^2 + 28083^2 .

It is not a de Polignac number, because 1003453225 - 2⁹ = 1003452713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 40138129 = 1003453225 / (1 + 0 + 0 + 3 + 4 + 5 + 3 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1003453225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20069040 + ... + 20069089.

Almost surely, 2^1003453225 is an apocalyptic number.

It is an amenable number.

1003453225 is a deficient number, since it is larger than the sum of its proper divisors (240828805).

1003453225 is an equidigital number, since it uses as much as digits as its factorization.

1003453225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40138139 (or 40138134 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1003453225 is about 31677.3298274965. The cubic root of 1003453225 is about 1001.1497525624.

Adding to 1003453225 its reverse (5223543001), we get a palindrome (6226996226).

The spelling of 1003453225 in words is "one billion, three million, four hundred fifty-three thousand, two hundred twenty-five".