2641567 has 2 divisors, whose sum is σ = 2641568. Its totient is φ = 2641566.

The previous prime is 2641559. The next prime is 2641571. The reversal of 2641567 is 7651462.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2641567 - 2³ = 2641559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2641517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320783 + 1320784.

It is an arithmetic number, because the mean of its divisors is an integer number (1320784).

2^2641567 is an apocalyptic number.

2641567 is a deficient number, since it is larger than the sum of its proper divisors (1).

2641567 is an equidigital number, since it uses as much as digits as its factorization.

2641567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 2641567 is about 1625.2898203090. The cubic root of 2641567 is about 138.2358042250.

The spelling of 2641567 in words is "two million, six hundred forty-one thousand, five hundred sixty-seven".