2045253905 has 8 divisors (see below), whose sum is σ = 2457153792. Its totient is φ = 1634303728.

The previous prime is 2045253877. The next prime is 2045253907. The reversal of 2045253905 is 5093525402.

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

It is a cyclic number.

It is not a de Polignac number, because 2045253905 - 2⁸ = 2045253649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045253907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232679 + ... + 241308.

It is an arithmetic number, because the mean of its divisors is an integer number (307144224).

Almost surely, 2^2045253905 is an apocalyptic number.

It is an amenable number.

2045253905 is a deficient number, since it is larger than the sum of its proper divisors (411899887).

2045253905 is an equidigital number, since it uses as much as digits as its factorization.

2045253905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474855.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 2045253905 is about 45224.4834685815. The cubic root of 2045253905 is about 1269.3529895052.

The spelling of 2045253905 in words is "two billion, forty-five million, two hundred fifty-three thousand, nine hundred five".