2045250005 has 8 divisors (see below), whose sum is σ = 2454840024. Its totient is φ = 1635840000.

The previous prime is 2045249981. The next prime is 2045250023. The reversal of 2045250005 is 5000525402.

It can be written as a sum of positive squares in 4 ways, for example, as 343027441 + 1702222564 = 18521^2 + 41258^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2045250005 - 2¹⁰ = 2045248981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18596 + ... + 66605.

It is an arithmetic number, because the mean of its divisors is an integer number (306855003).

Almost surely, 2^2045250005 is an apocalyptic number.

It is an amenable number.

2045250005 is a deficient number, since it is larger than the sum of its proper divisors (409590019).

2045250005 is an equidigital number, since it uses as much as digits as its factorization.

2045250005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90007.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 2045250005 is about 45224.4403503239. The cubic root of 2045250005 is about 1269.3521826812.

Adding to 2045250005 its reverse (5000525402), we get a palindrome (7045775407).

The spelling of 2045250005 in words is "two billion, forty-five million, two hundred fifty thousand, five".