2045567 has 2 divisors, whose sum is σ = 2045568. Its totient is φ = 2045566.

The previous prime is 2045557. The next prime is 2045569. The reversal of 2045567 is 7655402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2045567 - 2⁶ = 2045503 is a prime.

Together with 2045569, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022783 + 1022784.

It is an arithmetic number, because the mean of its divisors is an integer number (1022784).

2^2045567 is an apocalyptic number.

2045567 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045567 is an equidigital number, since it uses as much as digits as its factorization.

2045567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2045567 is about 1430.2331977688. The cubic root of 2045567 is about 126.9417758610.

The spelling of 2045567 in words is "two million, forty-five thousand, five hundred sixty-seven".