1044320425 has 6 divisors (see below), whose sum is σ = 1294957358. Its totient is φ = 835456320.

The previous prime is 1044320419. The next prime is 1044320437. The reversal of 1044320425 is 5240234401.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 8317456 + 1036002969 = 2884^2 + 32187^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1044320425 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: 41772817 = 1044320425 / (1 + 0 + 4 + 4 + 3 + 2 + 0 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1044320425.

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, 20886384 + ... + 20886433.

Almost surely, 2^1044320425 is an apocalyptic number.

It is an amenable number.

1044320425 is a deficient number, since it is larger than the sum of its proper divisors (250636933).

1044320425 is an equidigital number, since it uses as much as digits as its factorization.

1044320425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41772827 (or 41772822 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1044320425 is about 32315.9469147973. The cubic root of 1044320425 is about 1014.5604396290.

Adding to 1044320425 its reverse (5240234401), we get a palindrome (6284554826).

The spelling of 1044320425 in words is "one billion, forty-four million, three hundred twenty thousand, four hundred twenty-five".