1050005025 has 30 divisors (see below), whose sum is σ = 1944976022. Its totient is φ = 560001600.

The previous prime is 1050005023. The next prime is 1050005081. The reversal of 1050005025 is 5205000501.

It can be written as a sum of positive squares in 3 ways, for example, as 362673936 + 687331089 = 19044^2 + 26217^2 .

It is not a de Polignac number, because 1050005025 - 2¹ = 1050005023 is a prime.

It is a super-2 number, since 2×1050005025² = 2205021105050501250, 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 = 1050004989 and 1050005007.

It is not an unprimeable number, because it can be changed into a prime (1050005023) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 257236 + ... + 261285.

Almost surely, 2^1050005025 is an apocalyptic number.

1050005025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1050005025 is a deficient number, since it is larger than the sum of its proper divisors (894970997).

1050005025 is an equidigital number, since it uses as much as digits as its factorization.

1050005025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518543 (or 518529 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 1050005025 is about 32403.7810293799. The cubic root of 1050005025 is about 1016.3979782065.

Adding to 1050005025 its reverse (5205000501), we get a palindrome (6255005526).

The spelling of 1050005025 in words is "one billion, fifty million, five thousand, twenty-five".