1425001012525 has 12 divisors (see below), whose sum is σ = 1767131480052. Its totient is φ = 1139916794240.

The previous prime is 1425001012489. The next prime is 1425001012531. The reversal of 1425001012525 is 5252101005241.

It can be written as a sum of positive squares in 6 ways, for example, as 111471847876 + 1313529164649 = 333874^2 + 1146093^2 .

It is not a de Polignac number, because 1425001012525 - 2⁹ = 1425001012013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1425001012493 and 1425001012502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1753264 + ... + 2433913.

It is an arithmetic number, because the mean of its divisors is an integer number (147260956671).

Almost surely, 2^{1425001012525} is an apocalyptic number.

It is an amenable number.

1425001012525 is a deficient number, since it is larger than the sum of its proper divisors (342130467527).

1425001012525 is a wasteful number, since it uses less digits than its factorization.

1425001012525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200800 (or 4200795 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 1425001012525 its reverse (5252101005241), we get a palindrome (6677102017766).

The spelling of 1425001012525 in words is "one trillion, four hundred twenty-five billion, one million, twelve thousand, five hundred twenty-five".