1021052425 has 12 divisors (see below), whose sum is σ = 1306948096. Its totient is φ = 790491600.

The previous prime is 1021052371. The next prime is 1021052429. The reversal of 1021052425 is 5242501201.

It is not a de Polignac number, because 1021052425 - 2⁷ = 1021052297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021052396 and 1021052405.

It is not an unprimeable number, because it can be changed into a prime (1021052429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 657969 + ... + 659518.

Almost surely, 2^1021052425 is an apocalyptic number.

It is an amenable number.

1021052425 is a deficient number, since it is larger than the sum of its proper divisors (285895671).

1021052425 is a wasteful number, since it uses less digits than its factorization.

1021052425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317528 (or 1317523 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1021052425 is about 31953.9109499917. The cubic root of 1021052425 is about 1006.9687980426.

Adding to 1021052425 its reverse (5242501201), we get a palindrome (6263553626).

The spelling of 1021052425 in words is "one billion, twenty-one million, fifty-two thousand, four hundred twenty-five".