2045040425 has 12 divisors (see below), whose sum is σ = 2560960716. Its totient is φ = 1619832000.

The previous prime is 2045040421. The next prime is 2045040443. The reversal of 2045040425 is 5240405402.

It can be written as a sum of positive squares in 6 ways, for example, as 157051024 + 1887989401 = 12532^2 + 43451^2 .

It is not a de Polignac number, because 2045040425 - 2² = 2045040421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2045040394 and 2045040403.

It is not an unprimeable number, because it can be changed into a prime (2045040421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 402434 + ... + 407483.

It is an arithmetic number, because the mean of its divisors is an integer number (213413393).

Almost surely, 2^2045040425 is an apocalyptic number.

2045040425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2045040425 is a deficient number, since it is larger than the sum of its proper divisors (515920291).

2045040425 is a wasteful number, since it uses less digits than its factorization.

2045040425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810028 (or 810023 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 2045040425 is about 45222.1231810272. The cubic root of 2045040425 is about 1269.3088236921.

Adding to 2045040425 its reverse (5240405402), we get a palindrome (7285445827).

The spelling of 2045040425 in words is "two billion, forty-five million, forty thousand, four hundred twenty-five".