1051444025 has 6 divisors (see below), whose sum is σ = 1303790622. Its totient is φ = 841155200.

The previous prime is 1051444001. The next prime is 1051444087. The reversal of 1051444025 is 5204441501.

It can be written as a sum of positive squares in 3 ways, for example, as 18207289 + 1033236736 = 4267^2 + 32144^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1051444025 is a prime.

It is a super-2 number, since 2×1051444025² = 2211069075416401250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1051443985 and 1051444003.

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, 21028856 + ... + 21028905.

It is an arithmetic number, because the mean of its divisors is an integer number (217298437).

Almost surely, 2^1051444025 is an apocalyptic number.

It is an amenable number.

1051444025 is a deficient number, since it is larger than the sum of its proper divisors (252346597).

1051444025 is an equidigital number, since it uses as much as digits as its factorization.

1051444025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42057771 (or 42057766 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1051444025 is about 32425.9776259714. The cubic root of 1051444025 is about 1016.8620804460.

Adding to 1051444025 its reverse (5204441501), we get a palindrome (6255885526).

The spelling of 1051444025 in words is "one billion, fifty-one million, four hundred forty-four thousand, twenty-five".