1425024443 has 4 divisors (see below), whose sum is σ = 1455344160. Its totient is φ = 1394704728.

The previous prime is 1425024431. The next prime is 1425024449. The reversal of 1425024443 is 3444205241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1425024443 - 2⁶ = 1425024379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425024449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15159788 + ... + 15159881.

It is an arithmetic number, because the mean of its divisors is an integer number (363836040).

Almost surely, 2^1425024443 is an apocalyptic number.

1425024443 is a deficient number, since it is larger than the sum of its proper divisors (30319717).

1425024443 is an equidigital number, since it uses as much as digits as its factorization.

1425024443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30319716.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 1425024443 is about 37749.4959304095. The cubic root of 1425024443 is about 1125.3149914344.

Adding to 1425024443 its reverse (3444205241), we get a palindrome (4869229684).

The spelling of 1425024443 in words is "one billion, four hundred twenty-five million, twenty-four thousand, four hundred forty-three".