2545679 has 2 divisors, whose sum is σ = 2545680. Its totient is φ = 2545678.

The previous prime is 2545657. The next prime is 2545681. The reversal of 2545679 is 9765452.

It is a happy number.

2545679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2545679 - 2²⁰ = 1497103 is a prime.

Together with 2545681, 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 (2545619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272839 + 1272840.

It is an arithmetic number, because the mean of its divisors is an integer number (1272840).

2^2545679 is an apocalyptic number.

2545679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545679 is an equidigital number, since it uses as much as digits as its factorization.

2545679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 2545679 is about 1595.5184110502. The cubic root of 2545679 is about 136.5425093577.

The spelling of 2545679 in words is "two million, five hundred forty-five thousand, six hundred seventy-nine".