1013825525 has 6 divisors (see below), whose sum is σ = 1257143682. Its totient is φ = 811060400.

The previous prime is 1013825521. The next prime is 1013825557. The reversal of 1013825525 is 5255283101.

It can be written as a sum of positive squares in 3 ways, for example, as 167281 + 1013658244 = 409^2 + 31838^2 .

It is not a de Polignac number, because 1013825525 - 2² = 1013825521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013825491 and 1013825500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013825521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20276486 + ... + 20276535.

It is an arithmetic number, because the mean of its divisors is an integer number (209523947).

Almost surely, 2^1013825525 is an apocalyptic number.

It is an amenable number.

1013825525 is a deficient number, since it is larger than the sum of its proper divisors (243318157).

1013825525 is an equidigital number, since it uses as much as digits as its factorization.

1013825525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40553031 (or 40553026 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 1013825525 is about 31840.6269567670. The cubic root of 1013825525 is about 1004.5874316243.

The spelling of 1013825525 in words is "one billion, thirteen million, eight hundred twenty-five thousand, five hundred twenty-five".