1025451125 has 16 divisors (see below), whose sum is σ = 1281571824. Its totient is φ = 819201600.

The previous prime is 1025451103. The next prime is 1025451127. The reversal of 1025451125 is 5211545201.

It can be written as a sum of positive squares in 8 ways, for example, as 424318801 + 601132324 = 20599^2 + 24518^2 .

It is not a de Polignac number, because 1025451125 - 2⁶ = 1025451061 is a prime.

It is a super-3 number, since 3×1025451125³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1025451094 and 1025451103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025451127) 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 15 ways as a sum of consecutive naturals, for example, 89207 + ... + 100043.

It is an arithmetic number, because the mean of its divisors is an integer number (80098239).

Almost surely, 2^1025451125 is an apocalyptic number.

It is an amenable number.

1025451125 is a deficient number, since it is larger than the sum of its proper divisors (256120699).

1025451125 is an equidigital number, since it uses as much as digits as its factorization.

1025451125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11609 (or 11599 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1025451125 is about 32022.6658009604. The cubic root of 1025451125 is about 1008.4127357427.

Adding to 1025451125 its reverse (5211545201), we get a palindrome (6236996326).

The spelling of 1025451125 in words is "one billion, twenty-five million, four hundred fifty-one thousand, one hundred twenty-five".