2045240425 has 12 divisors (see below), whose sum is σ = 2536803036. Its totient is φ = 1635737600.

The previous prime is 2045240423. The next prime is 2045240429. The reversal of 2045240425 is 5240425402.

It can be written as a sum of positive squares in 6 ways, for example, as 16999129 + 2028241296 = 4123^2 + 45036^2 .

It is not a de Polignac number, because 2045240425 - 2¹ = 2045240423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2045240393 and 2045240402.

It is not an unprimeable number, because it can be changed into a prime (2045240423) by changing a digit.

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, 102897 + ... + 121153.

It is an arithmetic number, because the mean of its divisors is an integer number (211400253).

Almost surely, 2^2045240425 is an apocalyptic number.

2045240425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2045240425 is a deficient number, since it is larger than the sum of its proper divisors (491562611).

2045240425 is a wasteful number, since it uses less digits than its factorization.

2045240425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22748 (or 22743 counting only the distinct ones).

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

The square root of 2045240425 is about 45224.3344340190. The cubic root of 2045240425 is about 1269.3502007861.

Adding to 2045240425 its reverse (5240425402), we get a palindrome (7285665827).

The spelling of 2045240425 in words is "two billion, forty-five million, two hundred forty thousand, four hundred twenty-five".