1052243225 has 18 divisors (see below), whose sum is σ = 1434185550. Its totient is φ = 765265600.

The previous prime is 1052243219. The next prime is 1052243251. The reversal of 1052243225 is 5223422501.

It can be written as a sum of positive squares in 3 ways, for example, as 208282624 + 843960601 = 14432^2 + 29051^2 .

It is not a de Polignac number, because 1052243225 - 2⁴ = 1052243209 is a prime.

It is a super-2 number, since 2×1052243225² = 2214431609116801250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1052243194 and 1052243203.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 170900 + ... + 176949.

It is an arithmetic number, because the mean of its divisors is an integer number (79676975).

Almost surely, 2^1052243225 is an apocalyptic number.

It is an amenable number.

1052243225 is a deficient number, since it is larger than the sum of its proper divisors (381942325).

1052243225 is a wasteful number, since it uses less digits than its factorization.

1052243225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347881 (or 347865 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1052243225 is about 32438.2987377575. The cubic root of 1052243225 is about 1017.1196533133.

Adding to 1052243225 its reverse (5223422501), we get a palindrome (6275665726).

The spelling of 1052243225 in words is "one billion, fifty-two million, two hundred forty-three thousand, two hundred twenty-five".