1043231425 has 6 divisors (see below), whose sum is σ = 1293606998. Its totient is φ = 834585120.

The previous prime is 1043231407. The next prime is 1043231477. The reversal of 1043231425 is 5241323401.

It can be written as a sum of positive squares in 3 ways, for example, as 199809 + 1043031616 = 447^2 + 32296^2 .

It is not a de Polignac number, because 1043231425 - 2⁹ = 1043230913 is a prime.

It is a super-2 number, since 2×1043231425² = 2176663612215061250, which contains 22 as substring.

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: 41729257 = 1043231425 / (1 + 0 + 4 + 3 + 2 + 3 + 1 + 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 1043231425.

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, 20864604 + ... + 20864653.

Almost surely, 2^1043231425 is an apocalyptic number.

It is an amenable number.

1043231425 is a deficient number, since it is larger than the sum of its proper divisors (250375573).

1043231425 is an equidigital number, since it uses as much as digits as its factorization.

1043231425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41729267 (or 41729262 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1043231425 is about 32299.0932535265. The cubic root of 1043231425 is about 1014.2076613830.

Adding to 1043231425 its reverse (5241323401), we get a palindrome (6284554826).

The spelling of 1043231425 in words is "one billion, forty-three million, two hundred thirty-one thousand, four hundred twenty-five".