2025440425 has 6 divisors (see below), whose sum is σ = 2511546158. Its totient is φ = 1620352320.

The previous prime is 2025440383. The next prime is 2025440437. The reversal of 2025440425 is 5240445202.

It can be written as a sum of positive squares in 3 ways, for example, as 405297424 + 1620143001 = 20132^2 + 40251^2 .

It is not a de Polignac number, because 2025440425 - 2¹¹ = 2025438377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2025440393 and 2025440402.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40508784 + ... + 40508833.

Almost surely, 2^2025440425 is an apocalyptic number.

2025440425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2025440425 is a deficient number, since it is larger than the sum of its proper divisors (486105733).

2025440425 is an equidigital number, since it uses as much as digits as its factorization.

2025440425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81017627 (or 81017622 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 2025440425 is about 45004.8933450575. The cubic root of 2025440425 is about 1265.2407120030.

Adding to 2025440425 its reverse (5240445202), we get a palindrome (7265885627).

The spelling of 2025440425 in words is "two billion, twenty-five million, four hundred forty thousand, four hundred twenty-five".