245312425 has 6 divisors (see below), whose sum is σ = 304187438. Its totient is φ = 196249920.

The previous prime is 245312407. The next prime is 245312437. The reversal of 245312425 is 524213542.

It can be written as a sum of positive squares in 3 ways, for example, as 65028096 + 180284329 = 8064^2 + 13427^2 .

It is not a de Polignac number, because 245312425 - 2⁷ = 245312297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245312393 and 245312402.

It is an unprimeable number.

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, 4906224 + ... + 4906273.

Almost surely, 2^245312425 is an apocalyptic number.

245312425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245312425 is a deficient number, since it is larger than the sum of its proper divisors (58875013).

245312425 is an equidigital number, since it uses as much as digits as its factorization.

245312425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9812507 (or 9812502 counting only the distinct ones).

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

The square root of 245312425 is about 15662.4527134162. The cubic root of 245312425 is about 625.9983404570.

Adding to 245312425 its reverse (524213542), we get a palindrome (769525967).

It can be divided in two parts, 2453 and 12425, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 245312425 in words is "two hundred forty-five million, three hundred twelve thousand, four hundred twenty-five".