2045225473 has 2 divisors, whose sum is σ = 2045225474. Its totient is φ = 2045225472.

The previous prime is 2045225459. The next prime is 2045225519. The reversal of 2045225473 is 3745225402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1825681984 + 219543489 = 42728^2 + 14817^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045225473 is a prime.

It is not a weakly prime, because it can be changed into another prime (2045225423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022612736 + 1022612737.

It is an arithmetic number, because the mean of its divisors is an integer number (1022612737).

Almost surely, 2^2045225473 is an apocalyptic number.

It is an amenable number.

2045225473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045225473 is an equidigital number, since it uses as much as digits as its factorization.

2045225473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 2045225473 is about 45224.1691244848. The cubic root of 2045225473 is about 1269.3471075279.

The spelling of 2045225473 in words is "two billion, forty-five million, two hundred twenty-five thousand, four hundred seventy-three".