1025842525 has 6 divisors (see below), whose sum is σ = 1272044762. Its totient is φ = 820674000.

The previous prime is 1025842523. The next prime is 1025842583. The reversal of 1025842525 is 5252485201.

It can be written as a sum of positive squares in 3 ways, for example, as 301855876 + 723986649 = 17374^2 + 26907^2 .

It is not a de Polignac number, because 1025842525 - 2¹ = 1025842523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025842523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20516826 + ... + 20516875.

Almost surely, 2^1025842525 is an apocalyptic number.

It is an amenable number.

1025842525 is a deficient number, since it is larger than the sum of its proper divisors (246202237).

1025842525 is an equidigital number, since it uses as much as digits as its factorization.

1025842525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41033711 (or 41033706 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

The square root of 1025842525 is about 32028.7765142536. The cubic root of 1025842525 is about 1008.5410183198.

The spelling of 1025842525 in words is "one billion, twenty-five million, eight hundred forty-two thousand, five hundred twenty-five".