2045255671 has 2 divisors, whose sum is σ = 2045255672. Its totient is φ = 2045255670.

The previous prime is 2045255633. The next prime is 2045255683. The reversal of 2045255671 is 1765525402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2045255671 - 2¹⁵ = 2045222903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2045255671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045255071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022627835 + 1022627836.

It is an arithmetic number, because the mean of its divisors is an integer number (1022627836).

Almost surely, 2^2045255671 is an apocalyptic number.

2045255671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045255671 is an equidigital number, since it uses as much as digits as its factorization.

2045255671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 2045255671 is about 45224.5029933995. The cubic root of 2045255671 is about 1269.3533548513.

The spelling of 2045255671 in words is "two billion, forty-five million, two hundred fifty-five thousand, six hundred seventy-one".