1052821225 has 12 divisors (see below), whose sum is σ = 1347612160. Its totient is φ = 815086800.

The previous prime is 1052821213. The next prime is 1052821243. The reversal of 1052821225 is 5221282501.

It is not a de Polignac number, because 1052821225 - 2²⁹ = 515950313 is a prime.

It is a super-2 number, since 2×1052821225² = 2216865063621001250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1052821193 and 1052821202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 678465 + ... + 680014.

Almost surely, 2^1052821225 is an apocalyptic number.

It is an amenable number.

1052821225 is a deficient number, since it is larger than the sum of its proper divisors (294790935).

1052821225 is a wasteful number, since it uses less digits than its factorization.

1052821225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358520 (or 1358515 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 1052821225 is about 32447.2067364820. The cubic root of 1052821225 is about 1017.3058547334.

The spelling of 1052821225 in words is "one billion, fifty-two million, eight hundred twenty-one thousand, two hundred twenty-five".