425400312025 has 12 divisors (see below), whose sum is σ = 568073032492. Its totient is φ = 314141768640.

The previous prime is 425400311989. The next prime is 425400312049. The reversal of 425400312025 is 520213004524.

It can be written as a sum of positive squares in 6 ways, for example, as 180838413001 + 244561899024 = 425251^2 + 494532^2 .

It is not a de Polignac number, because 425400312025 - 2¹¹ = 425400309977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425400311984 and 425400312002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 654461694 + ... + 654462343.

Almost surely, 2^425400312025 is an apocalyptic number.

It is an amenable number.

425400312025 is a deficient number, since it is larger than the sum of its proper divisors (142672720467).

425400312025 is a wasteful number, since it uses less digits than its factorization.

425400312025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308924060 (or 1308924055 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 425400312025 its reverse (520213004524), we get a palindrome (945613316549).

The spelling of 425400312025 in words is "four hundred twenty-five billion, four hundred million, three hundred twelve thousand, twenty-five".